| Festus to Romeoville (Illinois) | 265.62 mi (427.48 km) |
| Festus to Romulus (Michigan) | 463.02 mi (745.15 km) |
| Festus to Ronkonkoma (New York) | 936.90 mi (1,507.79 km) |
| Festus to Roosevelt (New York) | 912.18 mi (1,468.00 km) |
| Festus to Rosamond (California) | 1,554.84 mi (2,502.28 km) |
| Festus to Rosaryville (Maryland) | 734.85 mi (1,182.62 km) |
| Festus to Roscoe (Illinois) | 299.84 mi (482.54 km) |
| Festus to Rose Hill (Virginia) | 719.64 mi (1,158.14 km) |
| Festus to Roseburg (Oregon) | 1,747.51 mi (2,812.34 km) |
| Festus to Rosedale (California) | 1,598.53 mi (2,572.59 km) |
| Festus to Rosedale (Maryland) | 751.97 mi (1,210.18 km) |
| Festus to Roselle (Illinois) | 287.42 mi (462.55 km) |
| Festus to Roselle (New Jersey) | 876.72 mi (1,410.95 km) |
| Festus to Roselle Park (New Jersey) | 876.46 mi (1,410.53 km) |
| Festus to Rosemead (California) | 1,564.33 mi (2,517.55 km) |
