| Oatfield to Olivares | 5,484.06 mi (8,825.75 km) |
| Oatfield to Olivenza | 5,383.66 mi (8,664.17 km) |
| Oatfield to Olot | 5,504.99 mi (8,859.43 km) |
| Oatfield to Onate | 5,307.51 mi (8,541.62 km) |
| Oatfield to Onda | 5,543.44 mi (8,921.31 km) |
| Oatfield to Onteniente | 5,595.29 mi (9,004.75 km) |
| Oatfield to Orihuela | 5,624.77 mi (9,052.19 km) |
| Oatfield to Osuna | 5,530.53 mi (8,900.52 km) |
| Oatfield to Ourense | 5,166.71 mi (8,315.01 km) |
| Oatfield to Oviedo | 5,180.23 mi (8,336.78 km) |
| Oatfield to Paiporta | 5,568.00 mi (8,960.82 km) |
| Oatfield to Pajara | 5,653.50 mi (9,098.42 km) |
| Oatfield to Palafolls | 5,541.63 mi (8,918.40 km) |
| Oatfield to Palafrugell | 5,539.98 mi (8,915.73 km) |
| Oatfield to Palamos | 5,543.00 mi (8,920.59 km) |
