| Biddeford to Recica | 3,969.64 mi (6,388.52 km) |
| Biddeford to Ribnica | 3,982.55 mi (6,409.30 km) |
| Biddeford to Ribnica | 3,976.42 mi (6,399.43 km) |
| Biddeford to Rogaska Slatina | 4,002.22 mi (6,440.96 km) |
| Biddeford to Rogasovci | 3,997.77 mi (6,433.79 km) |
| Biddeford to Rogatec | 4,005.22 mi (6,445.78 km) |
| Biddeford to Ruse | 3,986.23 mi (6,415.22 km) |
| Biddeford to Salovci | 4,007.72 mi (6,449.81 km) |
| Biddeford to Selnica ob Dravi | 3,984.93 mi (6,413.13 km) |
| Biddeford to Semic | 4,004.08 mi (6,443.94 km) |
| Biddeford to Sempeter pri Gorici | 3,930.69 mi (6,325.84 km) |
| Biddeford to Sencur | 3,951.83 mi (6,359.85 km) |
| Biddeford to Sentilj | 3,986.52 mi (6,415.69 km) |
| Biddeford to Sentjernej | 4,003.95 mi (6,443.73 km) |
| Biddeford to Sentjur | 3,992.82 mi (6,425.83 km) |
