| South Portland to Deventer | 3,419.93 mi (5,503.84 km) |
| South Portland to Diemen | 3,371.38 mi (5,425.72 km) |
| South Portland to Doesburg | 3,425.41 mi (5,512.66 km) |
| South Portland to Doetinchem | 3,433.28 mi (5,525.33 km) |
| South Portland to Dokkum | 3,386.40 mi (5,449.89 km) |
| South Portland to Dongen | 3,388.01 mi (5,452.48 km) |
| South Portland to Doorn | 3,394.14 mi (5,462.35 km) |
| South Portland to Dordrecht | 3,373.69 mi (5,429.43 km) |
| South Portland to Drachten | 3,396.06 mi (5,465.43 km) |
| South Portland to Drimmelen | 3,381.42 mi (5,441.87 km) |
| South Portland to Dronten | 3,396.08 mi (5,465.46 km) |
| South Portland to Druten | 3,407.91 mi (5,484.50 km) |
| South Portland to Duiven | 3,423.23 mi (5,509.16 km) |
| South Portland to Echt | 3,439.98 mi (5,536.12 km) |
| South Portland to Edam | 3,370.01 mi (5,423.51 km) |
