| Paducah to Olivares | 4,374.79 mi (7,040.55 km) |
| Paducah to Olivenza | 4,288.69 mi (6,901.98 km) |
| Paducah to Olot | 4,619.11 mi (7,433.74 km) |
| Paducah to Onate | 4,371.72 mi (7,035.61 km) |
| Paducah to Onda | 4,570.01 mi (7,354.72 km) |
| Paducah to Onteniente | 4,592.77 mi (7,391.34 km) |
| Paducah to Orihuela | 4,601.96 mi (7,406.13 km) |
| Paducah to Osuna | 4,431.69 mi (7,132.11 km) |
| Paducah to Ourense | 4,143.43 mi (6,668.21 km) |
| Paducah to Oviedo | 4,206.62 mi (6,769.91 km) |
| Paducah to Paiporta | 4,580.97 mi (7,372.36 km) |
| Paducah to Pajara | 4,266.24 mi (6,865.86 km) |
| Paducah to Palafolls | 4,648.47 mi (7,481.00 km) |
| Paducah to Palafrugell | 4,658.21 mi (7,496.67 km) |
| Paducah to Palamos | 4,659.19 mi (7,498.23 km) |
