| Peterlee to Olivares | 1,219.64 mi (1,962.83 km) |
| Peterlee to Olivenza | 1,142.80 mi (1,839.16 km) |
| Peterlee to Olot | 886.14 mi (1,426.10 km) |
| Peterlee to Onate | 811.71 mi (1,306.33 km) |
| Peterlee to Onda | 1,023.59 mi (1,647.32 km) |
| Peterlee to Onteniente | 1,101.71 mi (1,773.03 km) |
| Peterlee to Orihuela | 1,152.23 mi (1,854.33 km) |
| Peterlee to Osuna | 1,223.98 mi (1,969.80 km) |
| Peterlee to Ourense | 907.95 mi (1,461.20 km) |
| Peterlee to Oviedo | 813.33 mi (1,308.92 km) |
| Peterlee to Paiporta | 1,060.20 mi (1,706.22 km) |
| Peterlee to Pajara | 1,933.55 mi (3,111.74 km) |
| Peterlee to Palafolls | 923.39 mi (1,486.05 km) |
| Peterlee to Palafrugell | 910.54 mi (1,465.37 km) |
| Peterlee to Palamos | 915.04 mi (1,472.62 km) |
