| Apex to River Ridge (Louisiana) | 768.89 mi (1,237.40 km) |
| Apex to Riverbank (California) | 2,314.24 mi (3,724.42 km) |
| Apex to Riverdale (Georgia) | 348.20 mi (560.37 km) |
| Apex to Riverdale (Illinois) | 624.44 mi (1,004.93 km) |
| Apex to Riverside (California) | 2,174.15 mi (3,498.96 km) |
| Apex to Riverside (Ohio) | 400.93 mi (645.23 km) |
| Apex to Riverton (Utah) | 1,817.84 mi (2,925.53 km) |
| Apex to Riverton (Wyoming) | 1,646.71 mi (2,650.12 km) |
| Apex to Riverview (Florida) | 581.74 mi (936.21 km) |
| Apex to Riverview (Michigan) | 502.23 mi (808.26 km) |
| Apex to Riviera Beach (Florida) | 621.89 mi (1,000.84 km) |
| Apex to Riviera Beach (Maryland) | 270.24 mi (434.91 km) |
| Apex to Roanoke (Virginia) | 123.14 mi (198.17 km) |
| Apex to Roanoke Rapids (North Carolina) | 84.65 mi (136.23 km) |
| Apex to Robbinsdale (Minnesota) | 993.48 mi (1,598.85 km) |
