| Durham to Olivares | 1,218.65 mi (1,961.23 km) |
| Durham to Olivenza | 1,141.25 mi (1,836.67 km) |
| Durham to Olot | 889.44 mi (1,431.42 km) |
| Durham to Onate | 812.24 mi (1,307.17 km) |
| Durham to Onda | 1,025.31 mi (1,650.07 km) |
| Durham to Onteniente | 1,103.23 mi (1,775.47 km) |
| Durham to Orihuela | 1,153.58 mi (1,856.50 km) |
| Durham to Osuna | 1,223.46 mi (1,968.97 km) |
| Durham to Ourense | 905.46 mi (1,457.20 km) |
| Durham to Oviedo | 811.75 mi (1,306.38 km) |
| Durham to Paiporta | 1,061.82 mi (1,708.83 km) |
| Durham to Pajara | 1,930.58 mi (3,106.96 km) |
| Durham to Palafolls | 926.76 mi (1,491.48 km) |
| Durham to Palafrugell | 914.16 mi (1,471.19 km) |
| Durham to Palamos | 918.63 mi (1,478.39 km) |
