| Imperial Beach to Robertsville (New Jersey) | 2,415.21 mi (3,886.91 km) |
| Imperial Beach to Robinson (Texas) | 1,172.47 mi (1,886.91 km) |
| Imperial Beach to Robstown (Texas) | 1,205.54 mi (1,940.13 km) |
| Imperial Beach to Rochester (Michigan) | 1,971.34 mi (3,172.57 km) |
| Imperial Beach to Rochester (Minnesota) | 1,543.73 mi (2,484.39 km) |
| Imperial Beach to Rochester (New Hampshire) | 2,585.71 mi (4,161.30 km) |
| Imperial Beach to Rochester (New York) | 2,251.68 mi (3,623.74 km) |
| Imperial Beach to Rochester Hills (Michigan) | 1,969.26 mi (3,169.22 km) |
| Imperial Beach to Rock Hill (South Carolina) | 2,068.72 mi (3,329.28 km) |
| Imperial Beach to Rock Island (Illinois) | 1,579.66 mi (2,542.21 km) |
| Imperial Beach to Rock Springs (Wyoming) | 759.72 mi (1,222.65 km) |
| Imperial Beach to Rockford (Illinois) | 1,668.89 mi (2,685.81 km) |
| Imperial Beach to Rockledge (Florida) | 2,176.40 mi (3,502.57 km) |
| Imperial Beach to Rocklin (California) | 489.26 mi (787.38 km) |
| Imperial Beach to Rockport (Texas) | 1,234.17 mi (1,986.21 km) |
