| Trondheim to Nowy Sacz | 1,028.55 mi (1,655.29 km) |
| Trondheim to Nowy Targ | 1,029.72 mi (1,657.18 km) |
| Trondheim to Nowy Tomysl | 795.50 mi (1,280.23 km) |
| Trondheim to Nysa | 931.45 mi (1,499.02 km) |
| Trondheim to Oborniki | 780.04 mi (1,255.35 km) |
| Trondheim to Oborniki Slaskie | 871.48 mi (1,402.51 km) |
| Trondheim to Olawa | 900.08 mi (1,448.54 km) |
| Trondheim to Olecko | 778.23 mi (1,252.44 km) |
| Trondheim to Olesnica | 883.08 mi (1,421.17 km) |
| Trondheim to Olesno | 916.41 mi (1,474.81 km) |
| Trondheim to Olkusz | 970.02 mi (1,561.09 km) |
| Trondheim to Olsztyn | 757.27 mi (1,218.70 km) |
| Trondheim to Opalenica | 798.81 mi (1,285.56 km) |
| Trondheim to Opoczno | 908.11 mi (1,461.46 km) |
| Trondheim to Opole | 924.74 mi (1,488.22 km) |
