| Nova Gorica to Olivenza | 1,168.13 mi (1,879.92 km) |
| Nova Gorica to Olot | 611.32 mi (983.83 km) |
| Nova Gorica to Onate | 815.31 mi (1,312.12 km) |
| Nova Gorica to Onda | 814.40 mi (1,310.64 km) |
| Nova Gorica to Onteniente | 876.44 mi (1,410.50 km) |
| Nova Gorica to Orihuela | 923.13 mi (1,485.63 km) |
| Nova Gorica to Osuna | 1,136.40 mi (1,828.86 km) |
| Nova Gorica to Ourense | 1,091.57 mi (1,756.72 km) |
| Nova Gorica to Oviedo | 971.87 mi (1,564.08 km) |
| Nova Gorica to Paiporta | 842.76 mi (1,356.30 km) |
| Nova Gorica to Pajara | 1,935.64 mi (3,115.12 km) |
| Nova Gorica to Palafolls | 617.84 mi (994.32 km) |
| Nova Gorica to Palafrugell | 590.73 mi (950.69 km) |
| Nova Gorica to Palamos | 594.84 mi (957.30 km) |
| Nova Gorica to Palencia | 941.31 mi (1,514.89 km) |
