| South Portland to Niederzier | 3,469.21 mi (5,583.16 km) |
| South Portland to Niefern-Oschelbronn | 3,619.94 mi (5,825.73 km) |
| South Portland to Nierstein | 3,573.22 mi (5,750.55 km) |
| South Portland to Niesky | 3,783.02 mi (6,088.18 km) |
| South Portland to Nittenau | 3,751.45 mi (6,037.37 km) |
| South Portland to Nittendorf | 3,744.77 mi (6,026.63 km) |
| South Portland to Nohfelden | 3,533.18 mi (5,686.11 km) |
| South Portland to Norden | 3,425.73 mi (5,513.18 km) |
| South Portland to Nordenham | 3,476.17 mi (5,594.35 km) |
| South Portland to Norderstedt | 3,528.78 mi (5,679.03 km) |
| South Portland to Nordhausen | 3,621.73 mi (5,828.60 km) |
| South Portland to Nordhorn | 3,450.92 mi (5,553.73 km) |
| South Portland to Nordkirchen | 3,487.60 mi (5,612.75 km) |
| South Portland to Nordlingen | 3,691.14 mi (5,940.31 km) |
| South Portland to Nordstemmen | 3,563.60 mi (5,735.07 km) |
