| Buckeye to Olivares | 5,636.03 mi (9,070.31 km) |
| Buckeye to Olivenza | 5,542.87 mi (8,920.39 km) |
| Buckeye to Olot | 5,792.77 mi (9,322.56 km) |
| Buckeye to Onate | 5,561.91 mi (8,951.03 km) |
| Buckeye to Onda | 5,780.76 mi (9,303.23 km) |
| Buckeye to Onteniente | 5,816.11 mi (9,360.12 km) |
| Buckeye to Orihuela | 5,833.76 mi (9,388.52 km) |
| Buckeye to Osuna | 5,690.02 mi (9,157.21 km) |
| Buckeye to Ourense | 5,365.94 mi (8,635.64 km) |
| Buckeye to Oviedo | 5,409.50 mi (8,705.75 km) |
| Buckeye to Paiporta | 5,797.65 mi (9,330.42 km) |
| Buckeye to Pajara | 5,612.27 mi (9,032.07 km) |
| Buckeye to Palafolls | 5,826.06 mi (9,376.14 km) |
| Buckeye to Palafrugell | 5,830.91 mi (9,383.94 km) |
| Buckeye to Palamos | 5,832.83 mi (9,387.03 km) |
