| Fountain Hills to Olivares | 5,588.13 mi (8,993.22 km) |
| Fountain Hills to Olivenza | 5,495.23 mi (8,843.71 km) |
| Fountain Hills to Olot | 5,748.58 mi (9,251.44 km) |
| Fountain Hills to Onate | 5,516.89 mi (8,878.58 km) |
| Fountain Hills to Onda | 5,735.03 mi (9,229.64 km) |
| Fountain Hills to Onteniente | 5,769.88 mi (9,285.72 km) |
| Fountain Hills to Orihuela | 5,787.18 mi (9,313.57 km) |
| Fountain Hills to Osuna | 5,642.27 mi (9,080.35 km) |
| Fountain Hills to Ourense | 5,319.50 mi (8,560.90 km) |
| Fountain Hills to Oviedo | 5,363.88 mi (8,632.33 km) |
| Fountain Hills to Paiporta | 5,751.69 mi (9,256.45 km) |
| Fountain Hills to Pajara | 5,560.64 mi (8,948.99 km) |
| Fountain Hills to Palafolls | 5,781.73 mi (9,304.80 km) |
| Fountain Hills to Palafrugell | 5,786.79 mi (9,312.93 km) |
| Fountain Hills to Palamos | 5,788.66 mi (9,315.95 km) |
