| Biddeford to Prokuplje | 4,359.82 mi (7,016.45 km) |
| Biddeford to Raca | 4,295.41 mi (6,912.79 km) |
| Biddeford to Raska | 4,317.66 mi (6,948.60 km) |
| Biddeford to Razanj | 4,340.99 mi (6,986.14 km) |
| Biddeford to Rekovac | 4,316.03 mi (6,945.98 km) |
| Biddeford to Ruma | 4,218.81 mi (6,789.51 km) |
| Biddeford to Sabac | 4,222.58 mi (6,795.59 km) |
| Biddeford to Secanj | 4,242.46 mi (6,827.58 km) |
| Biddeford to Senta | 4,193.32 mi (6,748.50 km) |
| Biddeford to Sid | 4,189.99 mi (6,743.13 km) |
| Biddeford to Sjenica | 4,293.29 mi (6,909.38 km) |
| Biddeford to Smederevo | 4,276.26 mi (6,881.98 km) |
| Biddeford to Smederevska Palanka | 4,289.19 mi (6,902.79 km) |
| Biddeford to Sokobanja | 4,354.55 mi (7,007.97 km) |
| Biddeford to Sombor | 4,159.89 mi (6,694.70 km) |
