| North Walsham to Opole | 721.66 mi (1,161.40 km) |
| North Walsham to Orzesze | 767.47 mi (1,235.12 km) |
| North Walsham to Osowa | 707.02 mi (1,137.83 km) |
| North Walsham to Ostroda | 768.12 mi (1,236.17 km) |
| North Walsham to Ostroleka | 837.62 mi (1,348.01 km) |
| North Walsham to Ostrow Mazowiecka | 853.82 mi (1,374.09 km) |
| North Walsham to Ostrow Wielkopolski | 698.38 mi (1,123.93 km) |
| North Walsham to Ostrowiec Swietokrzyski | 860.70 mi (1,385.17 km) |
| North Walsham to Ostrzeszow | 707.08 mi (1,137.93 km) |
| North Walsham to Oswiecim | 789.74 mi (1,270.97 km) |
| North Walsham to Otwock | 835.53 mi (1,344.66 km) |
| North Walsham to Ozarow Mazowiecki | 814.80 mi (1,311.30 km) |
| North Walsham to Ozimek | 733.16 mi (1,179.91 km) |
| North Walsham to Ozorkow | 754.93 mi (1,214.95 km) |
| North Walsham to Pabianice | 763.79 mi (1,229.20 km) |
