| Alton to Romeoville (Illinois) | 3,955.87 mi (6,366.36 km) |
| Alton to Romulus (Michigan) | 3,745.18 mi (6,027.29 km) |
| Alton to Ronkonkoma (New York) | 3,393.85 mi (5,461.87 km) |
| Alton to Roosevelt (New York) | 3,418.07 mi (5,500.85 km) |
| Alton to Rosamond (California) | 5,382.32 mi (8,662.01 km) |
| Alton to Rosaryville (Maryland) | 3,635.13 mi (5,850.17 km) |
| Alton to Roscoe (Illinois) | 3,954.05 mi (6,363.43 km) |
| Alton to Rose Hill (Virginia) | 3,645.86 mi (5,867.44 km) |
| Alton to Roseburg (Oregon) | 5,059.46 mi (8,142.42 km) |
| Alton to Rosedale (California) | 5,384.36 mi (8,665.29 km) |
| Alton to Rosedale (Maryland) | 3,597.26 mi (5,789.22 km) |
| Alton to Roselle (Illinois) | 3,939.28 mi (6,339.66 km) |
| Alton to Roselle (New Jersey) | 3,447.10 mi (5,547.57 km) |
| Alton to Roselle Park (New Jersey) | 3,446.83 mi (5,547.14 km) |
| Alton to Rosemead (California) | 5,423.23 mi (8,727.85 km) |
