| Biloxi to Olivares | 4,616.63 mi (7,429.75 km) |
| Biloxi to Olivenza | 4,536.91 mi (7,301.46 km) |
| Biloxi to Olot | 4,911.48 mi (7,904.27 km) |
| Biloxi to Onate | 4,658.76 mi (7,497.56 km) |
| Biloxi to Onda | 4,842.66 mi (7,793.50 km) |
| Biloxi to Onteniente | 4,857.47 mi (7,817.34 km) |
| Biloxi to Orihuela | 4,861.17 mi (7,823.30 km) |
| Biloxi to Osuna | 4,674.90 mi (7,523.53 km) |
| Biloxi to Ourense | 4,414.96 mi (7,105.18 km) |
| Biloxi to Oviedo | 4,488.93 mi (7,224.23 km) |
| Biloxi to Paiporta | 4,849.92 mi (7,805.20 km) |
| Biloxi to Pajara | 4,419.76 mi (7,112.92 km) |
| Biloxi to Palafolls | 4,938.42 mi (7,947.62 km) |
| Biloxi to Palafrugell | 4,950.55 mi (7,967.13 km) |
| Biloxi to Palamos | 4,951.02 mi (7,967.90 km) |
