| Biddeford to Redondela | 3,057.43 mi (4,920.46 km) |
| Biddeford to Reinosa | 3,245.09 mi (5,222.47 km) |
| Biddeford to Requena | 3,494.76 mi (5,624.28 km) |
| Biddeford to Reus | 3,542.76 mi (5,701.52 km) |
| Biddeford to Rianxo | 3,038.04 mi (4,889.26 km) |
| Biddeford to Ribadeo | 3,096.66 mi (4,983.59 km) |
| Biddeford to Rincon de la Victoria | 3,436.15 mi (5,529.95 km) |
| Biddeford to Ripoll | 3,558.28 mi (5,726.50 km) |
| Biddeford to Ripollet | 3,579.60 mi (5,760.82 km) |
| Biddeford to Rojales | 3,559.41 mi (5,728.32 km) |
| Biddeford to Ronda | 3,392.94 mi (5,460.40 km) |
| Biddeford to Roquetas de Mar | 3,514.74 mi (5,656.43 km) |
| Biddeford to Rosas | 3,600.79 mi (5,794.90 km) |
| Biddeford to Rubi | 3,574.02 mi (5,751.84 km) |
| Biddeford to Rute | 3,411.85 mi (5,490.84 km) |
