| Denison to Olivares | 4,875.49 mi (7,846.34 km) |
| Denison to Olivenza | 4,788.89 mi (7,706.97 km) |
| Denison to Olot | 5,110.91 mi (8,225.21 km) |
| Denison to Onate | 4,865.30 mi (7,829.95 km) |
| Denison to Onda | 5,066.48 mi (8,153.72 km) |
| Denison to Onteniente | 5,090.62 mi (8,192.56 km) |
| Denison to Orihuela | 5,100.63 mi (8,208.67 km) |
| Denison to Osuna | 4,932.25 mi (7,937.69 km) |
| Denison to Ourense | 4,640.61 mi (7,468.34 km) |
| Denison to Oviedo | 4,701.56 mi (7,566.43 km) |
| Denison to Paiporta | 5,078.12 mi (8,172.44 km) |
| Denison to Pajara | 4,761.91 mi (7,663.56 km) |
| Denison to Palafolls | 5,140.88 mi (8,273.45 km) |
| Denison to Palafrugell | 5,149.95 mi (8,288.05 km) |
| Denison to Palamos | 5,151.06 mi (8,289.84 km) |
