| Namsos to Orzesze | 1,023.89 mi (1,647.79 km) |
| Namsos to Osowa | 734.52 mi (1,182.09 km) |
| Namsos to Ostroda | 800.66 mi (1,288.54 km) |
| Namsos to Ostroleka | 863.85 mi (1,390.24 km) |
| Namsos to Ostrow Mazowiecka | 885.97 mi (1,425.83 km) |
| Namsos to Ostrow Wielkopolski | 914.06 mi (1,471.03 km) |
| Namsos to Ostrowiec Swietokrzyski | 1,001.16 mi (1,611.22 km) |
| Namsos to Ostrzeszow | 930.83 mi (1,498.02 km) |
| Namsos to Oswiecim | 1,036.00 mi (1,667.28 km) |
| Namsos to Otwock | 921.58 mi (1,483.14 km) |
| Namsos to Ozarow Mazowiecki | 908.85 mi (1,462.65 km) |
| Namsos to Ozimek | 983.61 mi (1,582.96 km) |
| Namsos to Ozorkow | 907.28 mi (1,460.13 km) |
| Namsos to Pabianice | 929.53 mi (1,495.93 km) |
| Namsos to Parczew | 975.80 mi (1,570.40 km) |
