| Mont-de-Marsan to Romeoville (Illinois) | 4,222.29 mi (6,795.11 km) |
| Mont-de-Marsan to Romulus (Michigan) | 3,996.86 mi (6,432.32 km) |
| Mont-de-Marsan to Ronkonkoma (New York) | 3,591.44 mi (5,779.86 km) |
| Mont-de-Marsan to Roosevelt (New York) | 3,616.59 mi (5,820.34 km) |
| Mont-de-Marsan to Rosamond (California) | 5,736.98 mi (9,232.77 km) |
| Mont-de-Marsan to Rosaryville (Maryland) | 3,832.17 mi (6,167.29 km) |
| Mont-de-Marsan to Roscoe (Illinois) | 4,229.41 mi (6,806.58 km) |
| Mont-de-Marsan to Rose Hill (Virginia) | 3,844.35 mi (6,186.88 km) |
| Mont-de-Marsan to Roseburg (Oregon) | 5,462.01 mi (8,790.26 km) |
| Mont-de-Marsan to Rosedale (California) | 5,745.01 mi (9,245.70 km) |
| Mont-de-Marsan to Rosedale (Maryland) | 3,797.40 mi (6,111.32 km) |
| Mont-de-Marsan to Roselle (Illinois) | 4,208.01 mi (6,772.14 km) |
| Mont-de-Marsan to Roselle (New Jersey) | 3,648.34 mi (5,871.43 km) |
| Mont-de-Marsan to Roselle Park (New Jersey) | 3,648.21 mi (5,871.22 km) |
| Mont-de-Marsan to Rosemead (California) | 5,774.28 mi (9,292.80 km) |
