| Monroe to Reidsville (North Carolina) | 753.89 mi (1,213.27 km) |
| Monroe to Reisterstown (Maryland) | 976.77 mi (1,571.96 km) |
| Monroe to Rendon (Texas) | 300.38 mi (483.41 km) |
| Monroe to Reno (Nevada) | 1,618.42 mi (2,604.60 km) |
| Monroe to Renton (Washington) | 1,881.35 mi (3,027.74 km) |
| Monroe to Republic (Missouri) | 328.93 mi (529.36 km) |
| Monroe to Reston (Virginia) | 936.46 mi (1,507.09 km) |
| Monroe to Revere (Massachusetts) | 1,337.38 mi (2,152.31 km) |
| Monroe to Rexburg (Idaho) | 1,319.78 mi (2,123.98 km) |
| Monroe to Reynoldsburg (Ohio) | 728.50 mi (1,172.41 km) |
| Monroe to Rialto (California) | 1,461.86 mi (2,352.64 km) |
| Monroe to Richardson (Texas) | 270.97 mi (436.08 km) |
| Monroe to Richfield (Minnesota) | 856.28 mi (1,378.06 km) |
| Monroe to Richfield (Wisconsin) | 769.33 mi (1,238.12 km) |
| Monroe to Richland (Washington) | 1,723.05 mi (2,772.97 km) |
