| Crofton to Olivares | 3,729.06 mi (6,001.34 km) |
| Crofton to Olivenza | 3,645.66 mi (5,867.12 km) |
| Crofton to Olot | 4,002.80 mi (6,441.89 km) |
| Crofton to Onate | 3,751.32 mi (6,037.17 km) |
| Crofton to Onda | 3,940.38 mi (6,341.43 km) |
| Crofton to Onteniente | 3,958.54 mi (6,370.66 km) |
| Crofton to Orihuela | 3,964.78 mi (6,380.69 km) |
| Crofton to Osuna | 3,786.62 mi (6,093.98 km) |
| Crofton to Ourense | 3,512.58 mi (5,652.96 km) |
| Crofton to Oviedo | 3,582.76 mi (5,765.90 km) |
| Crofton to Paiporta | 3,949.16 mi (6,355.56 km) |
| Crofton to Pajara | 3,602.07 mi (5,796.97 km) |
| Crofton to Palafolls | 4,030.42 mi (6,486.33 km) |
| Crofton to Palafrugell | 4,041.91 mi (6,504.82 km) |
| Crofton to Palamos | 4,042.52 mi (6,505.81 km) |
