| Nicholasville to Olivares | 4,150.07 mi (6,678.89 km) |
| Nicholasville to Olivenza | 4,064.82 mi (6,541.69 km) |
| Nicholasville to Olot | 4,404.04 mi (7,087.62 km) |
| Nicholasville to Onate | 4,155.19 mi (6,687.13 km) |
| Nicholasville to Onda | 4,350.57 mi (7,001.57 km) |
| Nicholasville to Onteniente | 4,371.84 mi (7,035.79 km) |
| Nicholasville to Orihuela | 4,380.07 mi (7,049.04 km) |
| Nicholasville to Osuna | 4,207.20 mi (6,770.83 km) |
| Nicholasville to Ourense | 3,923.42 mi (6,314.13 km) |
| Nicholasville to Oviedo | 3,988.88 mi (6,419.48 km) |
| Nicholasville to Paiporta | 4,360.82 mi (7,018.07 km) |
| Nicholasville to Pajara | 4,035.66 mi (6,494.76 km) |
| Nicholasville to Palafolls | 4,432.85 mi (7,133.98 km) |
| Nicholasville to Palafrugell | 4,443.17 mi (7,150.59 km) |
| Nicholasville to Palamos | 4,444.02 mi (7,151.96 km) |
