| Monroe to Red Bank (New Jersey) | 1,134.87 mi (1,826.40 km) |
| Monroe to Red Bank (Tennessee) | 428.40 mi (689.44 km) |
| Monroe to Red Bluff (California) | 1,750.26 mi (2,816.78 km) |
| Monroe to Red Hill (South Carolina) | 760.34 mi (1,223.65 km) |
| Monroe to Red Oak (Texas) | 274.33 mi (441.50 km) |
| Monroe to Red Wing (Minnesota) | 833.97 mi (1,342.14 km) |
| Monroe to Redan (Georgia) | 465.44 mi (749.05 km) |
| Monroe to Redding (California) | 1,760.69 mi (2,833.55 km) |
| Monroe to Redland (Maryland) | 951.42 mi (1,531.16 km) |
| Monroe to Redlands (California) | 1,449.63 mi (2,332.95 km) |
| Monroe to Redmond (Oregon) | 1,759.66 mi (2,831.91 km) |
| Monroe to Redmond (Washington) | 1,883.38 mi (3,031.01 km) |
| Monroe to Redondo Beach (California) | 1,519.37 mi (2,445.19 km) |
| Monroe to Redwood City (California) | 1,732.72 mi (2,788.54 km) |
| Monroe to Reedley (California) | 1,577.14 mi (2,538.16 km) |
