| Radford to River Ridge (Louisiana) | 743.90 mi (1,197.20 km) |
| Radford to Riverbank (California) | 2,198.86 mi (3,538.72 km) |
| Radford to Riverdale (Georgia) | 327.94 mi (527.77 km) |
| Radford to Riverdale (Illinois) | 490.06 mi (788.67 km) |
| Radford to Riverside (California) | 2,069.93 mi (3,331.23 km) |
| Radford to Riverside (Ohio) | 266.35 mi (428.64 km) |
| Radford to Riverton (Utah) | 1,697.67 mi (2,732.14 km) |
| Radford to Riverton (Wyoming) | 1,520.47 mi (2,446.96 km) |
| Radford to Riverview (Florida) | 650.53 mi (1,046.93 km) |
| Radford to Riverview (Michigan) | 375.95 mi (605.04 km) |
| Radford to Riviera Beach (Florida) | 715.10 mi (1,150.84 km) |
| Radford to Riviera Beach (Maryland) | 260.50 mi (419.24 km) |
| Radford to Roanoke (Virginia) | 34.76 mi (55.94 km) |
| Radford to Roanoke Rapids (North Carolina) | 167.68 mi (269.85 km) |
| Radford to Robbinsdale (Minnesota) | 858.96 mi (1,382.36 km) |
