| Montrouge to Romeoville (Illinois) | 4,162.17 mi (6,698.37 km) |
| Montrouge to Romulus (Michigan) | 3,948.69 mi (6,354.81 km) |
| Montrouge to Ronkonkoma (New York) | 3,585.84 mi (5,770.86 km) |
| Montrouge to Roosevelt (New York) | 3,610.32 mi (5,810.25 km) |
| Montrouge to Rosamond (California) | 5,599.39 mi (9,011.35 km) |
| Montrouge to Rosaryville (Maryland) | 3,827.45 mi (6,159.69 km) |
| Montrouge to Roscoe (Illinois) | 4,161.79 mi (6,697.76 km) |
| Montrouge to Rose Hill (Virginia) | 3,838.52 mi (6,177.51 km) |
| Montrouge to Roseburg (Oregon) | 5,276.85 mi (8,492.26 km) |
| Montrouge to Rosedale (California) | 5,601.71 mi (9,015.08 km) |
| Montrouge to Rosedale (Maryland) | 3,790.20 mi (6,099.73 km) |
| Montrouge to Roselle (Illinois) | 4,145.95 mi (6,672.25 km) |
| Montrouge to Roselle (New Jersey) | 3,640.00 mi (5,858.02 km) |
| Montrouge to Roselle Park (New Jersey) | 3,639.77 mi (5,857.64 km) |
| Montrouge to Rosemead (California) | 5,640.12 mi (9,076.90 km) |
