| Biddeford to Radauti | 4,344.28 mi (6,991.44 km) |
| Biddeford to Ramnicu Sarat | 4,489.29 mi (7,224.81 km) |
| Biddeford to Ramnicu Valcea | 4,396.11 mi (7,074.86 km) |
| Biddeford to Rasnov | 4,418.52 mi (7,110.92 km) |
| Biddeford to Reghin | 4,341.32 mi (6,986.68 km) |
| Biddeford to Resita | 4,289.71 mi (6,903.63 km) |
| Biddeford to Roman | 4,419.72 mi (7,112.85 km) |
| Biddeford to Rosiori de Vede | 4,461.41 mi (7,179.94 km) |
| Biddeford to Rovinari | 4,355.89 mi (7,010.13 km) |
| Biddeford to Roznov | 4,407.77 mi (7,093.62 km) |
| Biddeford to Sabaoani | 4,413.11 mi (7,102.22 km) |
| Biddeford to Sacele | 4,427.10 mi (7,124.73 km) |
| Biddeford to Sacueni | 4,217.48 mi (6,787.38 km) |
| Biddeford to Salcea | 4,369.04 mi (7,031.29 km) |
| Biddeford to Salonta | 4,221.65 mi (6,794.08 km) |
