| Alton to Ridgeland (Mississippi) | 4,479.67 mi (7,209.33 km) |
| Alton to Ridgewood (New Jersey) | 3,427.00 mi (5,515.22 km) |
| Alton to Rifle (Colorado) | 4,777.66 mi (7,688.91 km) |
| Alton to Rincon (Georgia) | 4,119.00 mi (6,628.89 km) |
| Alton to Ringwood (New Jersey) | 3,428.38 mi (5,517.44 km) |
| Alton to Río Grande (Puerto Rico) | 4,152.76 mi (6,683.23 km) |
| Alton to Rio Grande City (Texas) | 5,138.80 mi (8,270.10 km) |
| Alton to Rio Linda (California) | 5,264.85 mi (8,472.96 km) |
| Alton to Rio Rancho (New Mexico) | 4,965.84 mi (7,991.75 km) |
| Alton to Rio Rico (Arizona) | 5,324.75 mi (8,569.36 km) |
| Alton to Ripon (California) | 5,309.74 mi (8,545.19 km) |
| Alton to River Edge (New Jersey) | 3,426.30 mi (5,514.10 km) |
| Alton to River Falls (Wisconsin) | 3,976.32 mi (6,399.27 km) |
| Alton to River Forest (Illinois) | 3,932.98 mi (6,329.52 km) |
| Alton to River Grove (Illinois) | 3,932.35 mi (6,328.50 km) |
