| Montrouge to Ridgeland (Mississippi) | 4,677.09 mi (7,527.06 km) |
| Montrouge to Ridgewood (New Jersey) | 3,620.34 mi (5,826.38 km) |
| Montrouge to Rifle (Colorado) | 4,993.04 mi (8,035.52 km) |
| Montrouge to Rincon (Georgia) | 4,305.78 mi (6,929.48 km) |
| Montrouge to Ringwood (New Jersey) | 3,622.11 mi (5,829.22 km) |
| Montrouge to Río Grande (Puerto Rico) | 4,282.51 mi (6,892.04 km) |
| Montrouge to Rio Grande City (Texas) | 5,338.64 mi (8,591.71 km) |
| Montrouge to Rio Linda (California) | 5,482.64 mi (8,823.46 km) |
| Montrouge to Rio Rancho (New Mexico) | 5,178.79 mi (8,334.46 km) |
| Montrouge to Rio Rico (Arizona) | 5,538.05 mi (8,912.63 km) |
| Montrouge to Ripon (California) | 5,527.50 mi (8,895.64 km) |
| Montrouge to River Edge (New Jersey) | 3,619.47 mi (5,824.98 km) |
| Montrouge to River Falls (Wisconsin) | 4,188.26 mi (6,740.35 km) |
| Montrouge to River Forest (Illinois) | 4,139.37 mi (6,661.67 km) |
| Montrouge to River Grove (Illinois) | 4,138.78 mi (6,660.73 km) |
