| Thornton to River Ridge (Louisiana) | 4,513.43 mi (7,263.66 km) |
| Thornton to Riverbank (California) | 5,150.43 mi (8,288.81 km) |
| Thornton to Riverdale (Georgia) | 4,100.54 mi (6,599.18 km) |
| Thornton to Riverdale (Illinois) | 3,824.16 mi (6,154.39 km) |
| Thornton to Riverside (California) | 5,262.50 mi (8,469.18 km) |
| Thornton to Riverside (Ohio) | 3,781.88 mi (6,086.35 km) |
| Thornton to Riverton (Utah) | 4,718.99 mi (7,594.47 km) |
| Thornton to Riverton (Wyoming) | 4,469.18 mi (7,192.46 km) |
| Thornton to Riverview (Florida) | 4,311.62 mi (6,938.88 km) |
| Thornton to Riverview (Michigan) | 3,633.27 mi (5,847.19 km) |
| Thornton to Riviera Beach (Florida) | 4,276.07 mi (6,881.67 km) |
| Thornton to Riviera Beach (Maryland) | 3,517.23 mi (5,660.44 km) |
| Thornton to Roanoke (Virginia) | 3,741.87 mi (6,021.95 km) |
| Thornton to Roanoke Rapids (North Carolina) | 3,691.18 mi (5,940.39 km) |
| Thornton to Robbinsdale (Minnesota) | 3,865.43 mi (6,220.80 km) |
