| Birkenhead to Ridgeland (Mississippi) | 4,345.82 mi (6,993.92 km) |
| Birkenhead to Ridgewood (New Jersey) | 3,299.63 mi (5,310.24 km) |
| Birkenhead to Rifle (Colorado) | 4,615.87 mi (7,428.53 km) |
| Birkenhead to Rincon (Georgia) | 3,998.70 mi (6,435.28 km) |
| Birkenhead to Ringwood (New Jersey) | 3,300.51 mi (5,311.66 km) |
| Birkenhead to Río Grande (Puerto Rico) | 4,092.54 mi (6,586.31 km) |
| Birkenhead to Rio Grande City (Texas) | 5,001.27 mi (8,048.76 km) |
| Birkenhead to Rio Linda (California) | 5,094.16 mi (8,198.25 km) |
| Birkenhead to Rio Rancho (New Mexico) | 4,808.88 mi (7,739.15 km) |
| Birkenhead to Rio Rico (Arizona) | 5,167.03 mi (8,315.53 km) |
| Birkenhead to Ripon (California) | 5,139.68 mi (8,271.52 km) |
| Birkenhead to River Edge (New Jersey) | 3,299.16 mi (5,309.48 km) |
| Birkenhead to River Falls (Wisconsin) | 3,821.64 mi (6,150.33 km) |
| Birkenhead to River Forest (Illinois) | 3,787.27 mi (6,095.02 km) |
| Birkenhead to River Grove (Illinois) | 3,786.57 mi (6,093.89 km) |
