| Festus to Reidsville (North Carolina) | 604.07 mi (972.16 km) |
| Festus to Reisterstown (Maryland) | 735.96 mi (1,184.41 km) |
| Festus to Rendon (Texas) | 547.07 mi (880.42 km) |
| Festus to Reno (Nevada) | 1,578.91 mi (2,541.00 km) |
| Festus to Renton (Washington) | 1,717.52 mi (2,764.08 km) |
| Festus to Republic (Missouri) | 181.78 mi (292.55 km) |
| Festus to Reston (Virginia) | 706.75 mi (1,137.41 km) |
| Festus to Revere (Massachusetts) | 1,060.00 mi (1,705.91 km) |
| Festus to Rexburg (Idaho) | 1,175.92 mi (1,892.46 km) |
| Festus to Reynoldsburg (Ohio) | 425.55 mi (684.86 km) |
| Festus to Rialto (California) | 1,525.67 mi (2,455.33 km) |
| Festus to Richardson (Texas) | 506.43 mi (815.02 km) |
| Festus to Richfield (Minnesota) | 483.26 mi (777.73 km) |
| Festus to Richfield (Wisconsin) | 364.78 mi (587.05 km) |
| Festus to Richland (Washington) | 1,568.11 mi (2,523.62 km) |
