| Portlethen to Niederzier | 550.74 mi (886.34 km) |
| Portlethen to Niefern-Oschelbronn | 721.22 mi (1,160.70 km) |
| Portlethen to Nierstein | 656.02 mi (1,055.77 km) |
| Portlethen to Niesky | 789.36 mi (1,270.35 km) |
| Portlethen to Nittenau | 804.03 mi (1,293.96 km) |
| Portlethen to Nittendorf | 803.81 mi (1,293.61 km) |
| Portlethen to Nohfelden | 641.56 mi (1,032.49 km) |
| Portlethen to Norden | 437.53 mi (704.14 km) |
| Portlethen to Nordenham | 483.42 mi (777.99 km) |
| Portlethen to Norderstedt | 528.90 mi (851.18 km) |
| Portlethen to Nordhausen | 645.59 mi (1,038.98 km) |
| Portlethen to Nordhorn | 485.95 mi (782.05 km) |
| Portlethen to Nordkirchen | 533.95 mi (859.31 km) |
| Portlethen to Nordlingen | 770.69 mi (1,240.30 km) |
| Portlethen to Nordstemmen | 583.44 mi (938.96 km) |
