| Montrouge to Robertsville (New Jersey) | 3,654.30 mi (5,881.03 km) |
| Montrouge to Robinson (Texas) | 5,010.00 mi (8,062.82 km) |
| Montrouge to Robstown (Texas) | 5,218.60 mi (8,398.52 km) |
| Montrouge to Rochester (Michigan) | 3,918.98 mi (6,306.99 km) |
| Montrouge to Rochester (Minnesota) | 4,221.38 mi (6,793.66 km) |
| Montrouge to Rochester (New Hampshire) | 3,397.14 mi (5,467.18 km) |
| Montrouge to Rochester (New York) | 3,676.88 mi (5,917.37 km) |
| Montrouge to Rochester Hills (Michigan) | 3,921.38 mi (6,310.86 km) |
| Montrouge to Rock Hill (South Carolina) | 4,174.81 mi (6,718.71 km) |
| Montrouge to Rock Island (Illinois) | 4,266.16 mi (6,865.72 km) |
| Montrouge to Rock Springs (Wyoming) | 4,933.90 mi (7,940.35 km) |
| Montrouge to Rockford (Illinois) | 4,171.43 mi (6,713.27 km) |
| Montrouge to Rockledge (Florida) | 4,471.47 mi (7,196.13 km) |
| Montrouge to Rocklin (California) | 5,469.97 mi (8,803.06 km) |
| Montrouge to Rockport (Texas) | 5,182.10 mi (8,339.78 km) |
