| Cal to River Ridge (Louisiana) | 6,333.26 mi (10,192.39 km) |
| Cal to Riverbank (California) | 6,868.92 mi (11,054.46 km) |
| Cal to Riverdale (Georgia) | 5,916.28 mi (9,521.33 km) |
| Cal to Riverdale (Illinois) | 5,652.31 mi (9,096.51 km) |
| Cal to Riverside (California) | 7,023.69 mi (11,303.54 km) |
| Cal to Riverside (Ohio) | 5,609.13 mi (9,027.02 km) |
| Cal to Riverton (Utah) | 6,482.49 mi (10,432.56 km) |
| Cal to Riverton (Wyoming) | 6,239.19 mi (10,041.00 km) |
| Cal to Riverview (Florida) | 6,097.69 mi (9,813.28 km) |
| Cal to Riverview (Michigan) | 5,461.69 mi (8,789.74 km) |
| Cal to Riviera Beach (Florida) | 6,045.43 mi (9,729.18 km) |
| Cal to Riviera Beach (Maryland) | 5,331.85 mi (8,580.78 km) |
| Cal to Roanoke (Virginia) | 5,558.17 mi (8,945.01 km) |
| Cal to Roanoke Rapids (North Carolina) | 5,498.73 mi (8,849.36 km) |
| Cal to Robbinsdale (Minnesota) | 5,680.16 mi (9,141.34 km) |
