| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Roach | city | Missouri | United States | 37.99 | -92.84 | 905 | |
| Roads | city | Missouri | United States | 39.47 | -93.70 | 830 | |
| Roanoke | city | Missouri | United States | 39.32 | -92.69 | 859 | |
| Robbins | city | Missouri | United States | 38.91 | -93.81 | 875 | |
| Robertson | city | Missouri | United States | 38.76 | -90.38 | 830 | |
| Robertsville | city | Missouri | United States | 38.41 | -90.81 | 830 | |
| Robidoux | city | Missouri | United States | 38.05 | -90.77 | 830 | |
| Roblee | city | Missouri | United States | 39.38 | -90.94 | 830 | |
| Roby | city | Missouri | United States | 37.52 | -92.14 | 1669 | |
| Rocheport | city | Missouri | United States | 38.98 | -92.56 | 830 | |
| Rochester | city | Missouri | United States | 39.91 | -94.68 | 961 | |
| Rock | city | Missouri | United States | 38.05 | -94.51 | 830 | |
| Rock Creek | city | Missouri | United States | 38.44 | -90.50 | 830 | |
| Rock Creek Junction | city | Missouri | United States | 39.11 | -94.48 | 830 | |
| Rock Ford | city | Missouri | United States | 38.32 | -91.26 | 830 | |
| Rock Hill | city | Missouri | United States | 38.61 | -90.38 | 830 | |
| Rock Port | city | Missouri | United States | 40.41 | -95.52 | 925 | |
| Rock Prairie | city | Missouri | United States | 37.48 | -93.20 | 1099 | |
| Rock Springs | city | Missouri | United States | 38.63 | -90.28 | 830 | |
| Rock Springs | city | Missouri | United States | 37.76 | -90.48 | 997 | |
| Rockaway Beach | city | Missouri | United States | 36.70 | -93.16 | 898 | |
| Rockbridge | city | Missouri | United States | 36.79 | -92.41 | 862 | |
| Rockford | city | Missouri | United States | 39.35 | -92.91 | 830 | |
| Rockford (historical) | city | Missouri | United States | 38.56 | -94.24 | 830 | |
| Rockford Beach | city | Missouri | United States | 38.42 | -90.59 | 830 | |
| Rockingham | city | Missouri | United States | 39.36 | -93.78 | 830 | |
| Rockview | city | Missouri | United States | 37.20 | -89.64 | 830 | |
| Rockville | city | Missouri | United States | 38.07 | -94.08 | 830 | |
| Rocky Comfort | city | Missouri | United States | 36.75 | -94.09 | 1669 | |
| Rocky Ford (historical) | city | Missouri | United States | 38.04 | -94.19 | 830 | |
| Rocky Mount | city | Missouri | United States | 38.32 | -92.67 | 889 | |
| Rocky Mount | city | Missouri | United States | 38.27 | -92.72 | 830 | |
| Rocky Ridge Ranch | city | Missouri | United States | 37.93 | -90.24 | 830 | |
| Rodger Ford (historical) | city | Missouri | United States | 37.96 | -92.83 | 859 | |
| Rogersville | city | Missouri | United States | 37.12 | -93.06 | 1669 | |
| Rolla | city | Missouri | United States | 37.95 | -91.77 | 1099 | |
| Romance | city | Missouri | United States | 36.72 | -92.50 | 1020 | |
| Rombauer | city | Missouri | United States | 36.84 | -90.28 | 347 | |
| Rome | city | Missouri | United States | 36.84 | -92.77 | 997 | |
| Rondo | city | Missouri | United States | 37.77 | -93.45 | 1000 | |
| Rookins | city | Missouri | United States | 37.84 | -93.76 | 830 | |
| Roosevelt | city | Missouri | United States | 36.83 | -92.12 | 830 | |
| Roosterville | city | Missouri | United States | 39.30 | -94.44 | 1000 | |
| Rosati | city | Missouri | United States | 38.03 | -91.53 | 997 | |
| Roscoe | city | Missouri | United States | 37.97 | -93.81 | 830 | |
| Rose Hill | city | Missouri | United States | 38.63 | -94.07 | 856 | |
| Roseberry | city | Missouri | United States | 40.44 | -95.04 | 1033 | |
| Rosebud | city | Missouri | United States | 38.39 | -91.40 | 830 | |
| Roseland | city | Missouri | United States | 38.39 | -93.54 | 830 | |
| Roselle | city | Missouri | United States | 37.60 | -90.53 | 830 | |
| Rosendale | city | Missouri | United States | 40.04 | -94.82 | 925 | |
| Roseville | city | Missouri | United States | 37.26 | -93.27 | 1243 | |
| Rosewood | city | Missouri | United States | 40.43 | -92.92 | 892 | |
| Ross (historical) | city | Missouri | United States | 36.82 | -91.29 | 830 | |
| Ross Bridge | city | Missouri | United States | 37.67 | -92.05 | 997 | |
| Rossville | city | Missouri | United States | 36.73 | -90.25 | 314 | |
| Rothville | city | Missouri | United States | 39.65 | -93.06 | 830 | |
| Roubidoux | city | Missouri | United States | 37.42 | -92.15 | 1158 | |
| Round Bottom Ford (historical) | city | Missouri | United States | 38.03 | -93.34 | 830 | |
| Round Grove | city | Missouri | United States | 37.27 | -93.91 | 1256 | |
| Round Spring | city | Missouri | United States | 37.28 | -91.41 | 830 | |
| Rousertown | city | Missouri | United States | 37.70 | -94.23 | 839 | |
| Rover | city | Missouri | United States | 36.72 | -91.62 | 954 | |
| Rowena | city | Missouri | United States | 39.33 | -92.06 | 830 | |
| Rowland | city | Missouri | United States | 37.60 | -93.82 | 997 | |
| Roxie (historical) | city | Missouri | United States | 36.73 | -90.51 | 347 | |
| Roy | city | Missouri | United States | 36.89 | -92.80 | 1197 | |
| Royal | city | Missouri | United States | 38.13 | -91.58 | 931 | |
| Royal Oak | city | Missouri | United States | 36.73 | -91.47 | 898 |