| Trondheim to Orzesze | 968.59 mi (1,558.80 km) |
| Trondheim to Osowa | 684.24 mi (1,101.18 km) |
| Trondheim to Ostroda | 753.76 mi (1,213.05 km) |
| Trondheim to Ostroleka | 820.59 mi (1,320.61 km) |
| Trondheim to Ostrow Mazowiecka | 843.15 mi (1,356.92 km) |
| Trondheim to Ostrow Wielkopolski | 857.87 mi (1,380.61 km) |
| Trondheim to Ostrowiec Swietokrzyski | 953.66 mi (1,534.76 km) |
| Trondheim to Ostrzeszow | 874.71 mi (1,407.71 km) |
| Trondheim to Oswiecim | 981.75 mi (1,579.98 km) |
| Trondheim to Otwock | 875.60 mi (1,409.15 km) |
| Trondheim to Ozarow Mazowiecki | 861.71 mi (1,386.78 km) |
| Trondheim to Ozimek | 927.47 mi (1,492.62 km) |
| Trondheim to Ozorkow | 855.46 mi (1,376.73 km) |
| Trondheim to Pabianice | 877.56 mi (1,412.29 km) |
| Trondheim to Parczew | 933.49 mi (1,502.30 km) |
