| Wallasey to Olivares | 1,115.51 mi (1,795.24 km) |
| Wallasey to Olivenza | 1,035.92 mi (1,667.15 km) |
| Wallasey to Olot | 816.63 mi (1,314.24 km) |
| Wallasey to Onate | 717.90 mi (1,155.34 km) |
| Wallasey to Onda | 938.50 mi (1,510.38 km) |
| Wallasey to Onteniente | 1,014.79 mi (1,633.14 km) |
| Wallasey to Orihuela | 1,063.82 mi (1,712.05 km) |
| Wallasey to Osuna | 1,122.52 mi (1,806.52 km) |
| Wallasey to Ourense | 797.23 mi (1,283.01 km) |
| Wallasey to Oviedo | 706.60 mi (1,137.16 km) |
| Wallasey to Paiporta | 974.24 mi (1,567.88 km) |
| Wallasey to Pajara | 1,821.05 mi (2,930.69 km) |
| Wallasey to Palafolls | 854.42 mi (1,375.06 km) |
| Wallasey to Palafrugell | 844.22 mi (1,358.63 km) |
| Wallasey to Palamos | 848.40 mi (1,365.37 km) |
