| Montrouge to Rockville (Maryland) | 3,827.84 mi (6,160.31 km) |
| Montrouge to Rockville Centre (New York) | 3,613.26 mi (5,814.98 km) |
| Montrouge to Rockwall (Texas) | 4,908.79 mi (7,899.94 km) |
| Montrouge to Rocky Mount (North Carolina) | 3,991.02 mi (6,422.92 km) |
| Montrouge to Rocky Point (New York) | 3,572.53 mi (5,749.43 km) |
| Montrouge to Rocky River (Ohio) | 3,920.15 mi (6,308.87 km) |
| Montrouge to Roessleville (New York) | 3,538.27 mi (5,694.30 km) |
| Montrouge to Rogers (Arkansas) | 4,649.98 mi (7,483.42 km) |
| Montrouge to Rogers (Minnesota) | 4,208.39 mi (6,772.75 km) |
| Montrouge to Rohnert Park (California) | 5,539.66 mi (8,915.22 km) |
| Montrouge to Rolla (Missouri) | 4,477.04 mi (7,205.10 km) |
| Montrouge to Rolling Meadows (Illinois) | 4,139.36 mi (6,661.66 km) |
| Montrouge to Roma (Texas) | 5,344.35 mi (8,600.90 km) |
| Montrouge to Rome (Georgia) | 4,382.07 mi (7,052.25 km) |
| Montrouge to Rome (New York) | 3,587.45 mi (5,773.45 km) |
