| Festus to Rosemont (California) | 1,668.18 mi (2,684.68 km) |
| Festus to Rosemount (Minnesota) | 471.41 mi (758.66 km) |
| Festus to Rosenberg (Texas) | 674.61 mi (1,085.68 km) |
| Festus to Roseville (California) | 1,663.94 mi (2,677.86 km) |
| Festus to Roseville (Michigan) | 492.17 mi (792.07 km) |
| Festus to Roseville (Minnesota) | 490.42 mi (789.25 km) |
| Festus to Rossmoor (California) | 1,570.50 mi (2,527.47 km) |
| Festus to Rossville (Maryland) | 753.72 mi (1,213.00 km) |
| Festus to Roswell (Georgia) | 444.48 mi (715.32 km) |
| Festus to Roswell (New Mexico) | 858.04 mi (1,380.88 km) |
| Festus to Round Lake (Illinois) | 309.71 mi (498.43 km) |
| Festus to Round Lake Beach (Illinois) | 312.47 mi (502.87 km) |
| Festus to Round Rock (Texas) | 673.02 mi (1,083.11 km) |
| Festus to Rowland Heights (California) | 1,556.12 mi (2,504.34 km) |
| Festus to Rowlett (Texas) | 503.08 mi (809.64 km) |
