| Atherton to Olivares | 1,126.46 mi (1,812.86 km) |
| Atherton to Olivenza | 1,048.07 mi (1,686.70 km) |
| Atherton to Olot | 816.43 mi (1,313.91 km) |
| Atherton to Onate | 724.78 mi (1,166.42 km) |
| Atherton to Onda | 942.75 mi (1,517.22 km) |
| Atherton to Onteniente | 1,019.64 mi (1,640.95 km) |
| Atherton to Orihuela | 1,069.16 mi (1,720.64 km) |
| Atherton to Osuna | 1,132.39 mi (1,822.41 km) |
| Atherton to Ourense | 811.31 mi (1,305.68 km) |
| Atherton to Oviedo | 718.58 mi (1,156.44 km) |
| Atherton to Paiporta | 978.77 mi (1,575.19 km) |
| Atherton to Pajara | 1,836.31 mi (2,955.25 km) |
| Atherton to Palafolls | 854.12 mi (1,374.57 km) |
| Atherton to Palafrugell | 843.23 mi (1,357.05 km) |
| Atherton to Palamos | 847.50 mi (1,363.92 km) |
