| Campbell to River Ridge (Louisiana) | 1,884.76 mi (3,033.23 km) |
| Campbell to Riverbank (California) | 63.38 mi (102.00 km) |
| Campbell to Riverdale (Georgia) | 2,115.52 mi (3,404.60 km) |
| Campbell to Riverdale (Illinois) | 1,842.80 mi (2,965.70 km) |
| Campbell to Riverside (California) | 344.74 mi (554.81 km) |
| Campbell to Riverside (Ohio) | 2,036.89 mi (3,278.06 km) |
| Campbell to Riverton (Utah) | 581.47 mi (935.78 km) |
| Campbell to Riverton (Wyoming) | 816.87 mi (1,314.62 km) |
| Campbell to Riverview (Florida) | 2,381.01 mi (3,831.86 km) |
| Campbell to Riverview (Michigan) | 2,069.08 mi (3,329.87 km) |
| Campbell to Riviera Beach (Florida) | 2,535.55 mi (4,080.57 km) |
| Campbell to Riviera Beach (Maryland) | 2,443.42 mi (3,932.31 km) |
| Campbell to Roanoke (Virginia) | 2,289.23 mi (3,684.16 km) |
| Campbell to Roanoke Rapids (North Carolina) | 2,427.03 mi (3,905.93 km) |
| Campbell to Robbinsdale (Minnesota) | 1,572.30 mi (2,530.38 km) |
