| Alton to River Ridge (Louisiana) | 4,606.17 mi (7,412.91 km) |
| Alton to Riverbank (California) | 5,304.92 mi (8,537.44 km) |
| Alton to Riverdale (Georgia) | 4,189.61 mi (6,742.53 km) |
| Alton to Riverdale (Illinois) | 3,937.47 mi (6,336.74 km) |
| Alton to Riverside (California) | 5,408.13 mi (8,703.55 km) |
| Alton to Riverside (Ohio) | 3,885.05 mi (6,252.39 km) |
| Alton to Riverton (Utah) | 4,865.33 mi (7,830.00 km) |
| Alton to Riverton (Wyoming) | 4,614.46 mi (7,426.25 km) |
| Alton to Riverview (Florida) | 4,383.16 mi (7,054.02 km) |
| Alton to Riverview (Michigan) | 3,740.74 mi (6,020.14 km) |
| Alton to Riviera Beach (Florida) | 4,340.24 mi (6,984.95 km) |
| Alton to Riviera Beach (Maryland) | 3,605.22 mi (5,802.04 km) |
| Alton to Roanoke (Virginia) | 3,831.33 mi (6,165.92 km) |
| Alton to Roanoke Rapids (North Carolina) | 3,774.03 mi (6,073.71 km) |
| Alton to Robbinsdale (Minnesota) | 3,994.37 mi (6,428.32 km) |
