| Glen Parva to Olivares | 1,075.45 mi (1,730.77 km) |
| Glen Parva to Olivenza | 1,001.54 mi (1,611.83 km) |
| Glen Parva to Olot | 738.64 mi (1,188.72 km) |
| Glen Parva to Onate | 662.61 mi (1,066.37 km) |
| Glen Parva to Onda | 873.28 mi (1,405.41 km) |
| Glen Parva to Onteniente | 951.40 mi (1,531.14 km) |
| Glen Parva to Orihuela | 1,001.98 mi (1,612.53 km) |
| Glen Parva to Osuna | 1,077.76 mi (1,734.49 km) |
| Glen Parva to Ourense | 773.52 mi (1,244.86 km) |
| Glen Parva to Oviedo | 672.94 mi (1,082.99 km) |
| Glen Parva to Paiporta | 909.88 mi (1,464.31 km) |
| Glen Parva to Pajara | 1,801.04 mi (2,898.49 km) |
| Glen Parva to Palafolls | 776.12 mi (1,249.05 km) |
| Glen Parva to Palafrugell | 764.21 mi (1,229.88 km) |
| Glen Parva to Palamos | 768.60 mi (1,236.94 km) |
