| South Portland to Nordwalde | 3,476.49 mi (5,594.88 km) |
| South Portland to Northeim | 3,585.12 mi (5,769.69 km) |
| South Portland to Norvenich | 3,478.84 mi (5,598.65 km) |
| South Portland to Nossen | 3,732.82 mi (6,007.40 km) |
| South Portland to Nottuln | 3,475.68 mi (5,593.57 km) |
| South Portland to Numbrecht | 3,511.47 mi (5,651.17 km) |
| South Portland to Nuremberg | 3,695.84 mi (5,947.89 km) |
| South Portland to Nurtingen | 3,651.04 mi (5,875.78 km) |
| South Portland to Nussloch | 3,603.91 mi (5,799.94 km) |
| South Portland to Ober-Ramstadt | 3,590.89 mi (5,778.98 km) |
| South Portland to Oberasbach | 3,692.08 mi (5,941.83 km) |
| South Portland to Oberderdingen | 3,616.21 mi (5,819.72 km) |
| South Portland to Oberhaching | 3,762.39 mi (6,054.99 km) |
| South Portland to Oberhausen | 3,468.42 mi (5,581.89 km) |
| South Portland to Oberhausen-Rheinhausen | 3,597.34 mi (5,789.36 km) |
