| North Walsham to Olivares | 1,124.49 mi (1,809.69 km) |
| North Walsham to Olivenza | 1,057.16 mi (1,701.34 km) |
| North Walsham to Olot | 736.87 mi (1,185.88 km) |
| North Walsham to Onate | 698.58 mi (1,124.25 km) |
| North Walsham to Onda | 891.87 mi (1,435.33 km) |
| North Walsham to Onteniente | 971.90 mi (1,564.13 km) |
| North Walsham to Orihuela | 1,024.26 mi (1,648.39 km) |
| North Walsham to Osuna | 1,121.51 mi (1,804.89 km) |
| North Walsham to Ourense | 841.46 mi (1,354.20 km) |
| North Walsham to Oviedo | 733.10 mi (1,179.82 km) |
| North Walsham to Paiporta | 929.36 mi (1,495.65 km) |
| North Walsham to Pajara | 1,866.79 mi (3,004.31 km) |
| North Walsham to Palafolls | 773.16 mi (1,244.28 km) |
| North Walsham to Palafrugell | 757.91 mi (1,219.73 km) |
| North Walsham to Palamos | 762.66 mi (1,227.38 km) |
