| Fiumicino to Olivenza | 1,039.54 mi (1,672.97 km) |
| Fiumicino to Olot | 501.08 mi (806.42 km) |
| Fiumicino to Onate | 751.61 mi (1,209.59 km) |
| Fiumicino to Onda | 664.17 mi (1,068.88 km) |
| Fiumicino to Onteniente | 705.82 mi (1,135.90 km) |
| Fiumicino to Orihuela | 742.29 mi (1,194.60 km) |
| Fiumicino to Osuna | 973.70 mi (1,567.02 km) |
| Fiumicino to Ourense | 1,029.40 mi (1,656.66 km) |
| Fiumicino to Oviedo | 924.71 mi (1,488.17 km) |
| Fiumicino to Paiporta | 682.43 mi (1,098.26 km) |
| Fiumicino to Pajara | 1,743.33 mi (2,805.63 km) |
| Fiumicino to Palafolls | 488.85 mi (786.73 km) |
| Fiumicino to Palafrugell | 466.77 mi (751.20 km) |
| Fiumicino to Palamos | 468.71 mi (754.32 km) |
| Fiumicino to Palencia | 861.16 mi (1,385.90 km) |
