| Biddeford to Ratingen | 3,486.31 mi (5,610.68 km) |
| Biddeford to Ratzeburg | 3,570.23 mi (5,745.72 km) |
| Biddeford to Raubling | 3,804.32 mi (6,122.45 km) |
| Biddeford to Rauenberg | 3,619.18 mi (5,824.51 km) |
| Biddeford to Raunheim | 3,586.65 mi (5,772.15 km) |
| Biddeford to Ravensburg | 3,702.25 mi (5,958.20 km) |
| Biddeford to Recke | 3,491.29 mi (5,618.69 km) |
| Biddeford to Recklinghausen | 3,490.85 mi (5,617.98 km) |
| Biddeford to Regen | 3,806.91 mi (6,126.63 km) |
| Biddeford to Regensburg | 3,763.30 mi (6,056.45 km) |
| Biddeford to Regenstauf | 3,761.66 mi (6,053.80 km) |
| Biddeford to Rehau | 3,721.41 mi (5,989.03 km) |
| Biddeford to Rehburg-Loccum | 3,546.64 mi (5,707.76 km) |
| Biddeford to Rehlingen-Siersburg | 3,533.73 mi (5,687.00 km) |
| Biddeford to Reichelsheim | 3,611.26 mi (5,811.77 km) |
