| Fort Walton Beach to Olivares | 4,497.84 mi (7,238.58 km) |
| Fort Walton Beach to Olivenza | 4,419.42 mi (7,112.37 km) |
| Fort Walton Beach to Olot | 4,803.00 mi (7,729.69 km) |
| Fort Walton Beach to Onate | 4,549.36 mi (7,321.49 km) |
| Fort Walton Beach to Onda | 4,729.73 mi (7,611.76 km) |
| Fort Walton Beach to Onteniente | 4,742.83 mi (7,632.85 km) |
| Fort Walton Beach to Orihuela | 4,745.41 mi (7,637.00 km) |
| Fort Walton Beach to Osuna | 4,556.30 mi (7,332.65 km) |
| Fort Walton Beach to Ourense | 4,302.38 mi (6,924.02 km) |
| Fort Walton Beach to Oviedo | 4,378.67 mi (7,046.78 km) |
| Fort Walton Beach to Paiporta | 4,736.19 mi (7,622.17 km) |
| Fort Walton Beach to Pajara | 4,288.63 mi (6,901.88 km) |
| Fort Walton Beach to Palafolls | 4,829.32 mi (7,772.04 km) |
| Fort Walton Beach to Palafrugell | 4,842.00 mi (7,792.45 km) |
| Fort Walton Beach to Palamos | 4,842.36 mi (7,793.03 km) |
