| Pembroke Dock to Rockville (Maryland) | 3,460.13 mi (5,568.54 km) |
| Pembroke Dock to Rockville Centre (New York) | 3,246.35 mi (5,224.49 km) |
| Pembroke Dock to Rockwall (Texas) | 4,533.49 mi (7,295.95 km) |
| Pembroke Dock to Rocky Mount (North Carolina) | 3,627.44 mi (5,837.79 km) |
| Pembroke Dock to Rocky Point (New York) | 3,205.83 mi (5,159.28 km) |
| Pembroke Dock to Rocky River (Ohio) | 3,546.35 mi (5,707.30 km) |
| Pembroke Dock to Roessleville (New York) | 3,168.17 mi (5,098.68 km) |
| Pembroke Dock to Rogers (Arkansas) | 4,274.00 mi (6,878.34 km) |
| Pembroke Dock to Rogers (Minnesota) | 3,831.35 mi (6,165.96 km) |
| Pembroke Dock to Rohnert Park (California) | 5,175.11 mi (8,328.53 km) |
| Pembroke Dock to Rolla (Missouri) | 4,101.17 mi (6,600.19 km) |
| Pembroke Dock to Rolling Meadows (Illinois) | 3,762.83 mi (6,055.69 km) |
| Pembroke Dock to Roma (Texas) | 4,971.45 mi (8,000.77 km) |
| Pembroke Dock to Rome (Georgia) | 4,013.30 mi (6,458.79 km) |
| Pembroke Dock to Rome (New York) | 3,215.52 mi (5,174.88 km) |
