| Imperial Beach to Red Bank (New Jersey) | 2,427.14 mi (3,906.10 km) |
| Imperial Beach to Red Bank (Tennessee) | 1,826.88 mi (2,940.08 km) |
| Imperial Beach to Red Bluff (California) | 597.45 mi (961.51 km) |
| Imperial Beach to Red Hill (South Carolina) | 2,192.78 mi (3,528.94 km) |
| Imperial Beach to Red Oak (Texas) | 1,182.36 mi (1,902.83 km) |
| Imperial Beach to Red Wing (Minnesota) | 1,553.41 mi (2,499.96 km) |
| Imperial Beach to Redan (Georgia) | 1,899.81 mi (3,057.45 km) |
| Imperial Beach to Redding (California) | 624.46 mi (1,004.98 km) |
| Imperial Beach to Redland (Maryland) | 2,265.16 mi (3,645.42 km) |
| Imperial Beach to Redlands (California) | 102.44 mi (164.85 km) |
| Imperial Beach to Redmond (Oregon) | 836.95 mi (1,346.94 km) |
| Imperial Beach to Redmond (Washington) | 1,076.09 mi (1,731.80 km) |
| Imperial Beach to Redondo Beach (California) | 114.96 mi (185.01 km) |
| Imperial Beach to Redwood City (California) | 446.67 mi (718.85 km) |
| Imperial Beach to Reedley (California) | 308.30 mi (496.16 km) |
