| Birkenhead to Rockville (Maryland) | 3,507.12 mi (5,644.16 km) |
| Birkenhead to Rockville Centre (New York) | 3,294.98 mi (5,302.76 km) |
| Birkenhead to Rockwall (Texas) | 4,561.89 mi (7,341.65 km) |
| Birkenhead to Rocky Mount (North Carolina) | 3,680.30 mi (5,922.87 km) |
| Birkenhead to Rocky Point (New York) | 3,254.85 mi (5,238.18 km) |
| Birkenhead to Rocky River (Ohio) | 3,580.61 mi (5,762.43 km) |
| Birkenhead to Roessleville (New York) | 3,211.41 mi (5,168.27 km) |
| Birkenhead to Rogers (Arkansas) | 4,299.89 mi (6,920.01 km) |
| Birkenhead to Rogers (Minnesota) | 3,839.84 mi (6,179.62 km) |
| Birkenhead to Rohnert Park (California) | 5,150.64 mi (8,289.15 km) |
| Birkenhead to Rolla (Missouri) | 4,127.71 mi (6,642.92 km) |
| Birkenhead to Rolling Meadows (Illinois) | 3,786.42 mi (6,093.65 km) |
| Birkenhead to Roma (Texas) | 5,006.44 mi (8,057.09 km) |
| Birkenhead to Rome (Georgia) | 4,057.74 mi (6,530.30 km) |
| Birkenhead to Rome (New York) | 3,254.89 mi (5,238.24 km) |
