| Napa to Olivares | 5,814.54 mi (9,357.59 km) |
| Napa to Olivenza | 5,716.13 mi (9,199.23 km) |
| Napa to Olot | 5,884.13 mi (9,469.59 km) |
| Napa to Onate | 5,673.92 mi (9,131.30 km) |
| Napa to Onda | 5,905.47 mi (9,503.94 km) |
| Napa to Onteniente | 5,951.83 mi (9,578.54 km) |
| Napa to Orihuela | 5,977.27 mi (9,619.49 km) |
| Napa to Osuna | 5,864.17 mi (9,437.47 km) |
| Napa to Ourense | 5,512.44 mi (8,871.41 km) |
| Napa to Oviedo | 5,536.91 mi (8,910.79 km) |
| Napa to Paiporta | 5,927.49 mi (9,539.37 km) |
| Napa to Pajara | 5,907.09 mi (9,506.55 km) |
| Napa to Palafolls | 5,919.88 mi (9,527.12 km) |
| Napa to Palafrugell | 5,920.40 mi (9,527.96 km) |
| Napa to Palamos | 5,923.06 mi (9,532.25 km) |
