| Gorna Oryahovitsa to Olivenza | 1,728.68 mi (2,782.04 km) |
| Gorna Oryahovitsa to Olot | 1,177.46 mi (1,894.93 km) |
| Gorna Oryahovitsa to Onate | 1,412.15 mi (2,272.64 km) |
| Gorna Oryahovitsa to Onda | 1,354.73 mi (2,180.23 km) |
| Gorna Oryahovitsa to Onteniente | 1,398.06 mi (2,249.96 km) |
| Gorna Oryahovitsa to Orihuela | 1,433.92 mi (2,307.67 km) |
| Gorna Oryahovitsa to Osuna | 1,665.91 mi (2,681.03 km) |
| Gorna Oryahovitsa to Ourense | 1,692.75 mi (2,724.22 km) |
| Gorna Oryahovitsa to Oviedo | 1,578.13 mi (2,539.76 km) |
| Gorna Oryahovitsa to Paiporta | 1,374.24 mi (2,211.63 km) |
| Gorna Oryahovitsa to Pajara | 2,425.65 mi (3,903.71 km) |
| Gorna Oryahovitsa to Palafolls | 1,171.58 mi (1,885.48 km) |
| Gorna Oryahovitsa to Palafrugell | 1,147.18 mi (1,846.21 km) |
| Gorna Oryahovitsa to Palamos | 1,149.93 mi (1,850.63 km) |
| Gorna Oryahovitsa to Palencia | 1,531.84 mi (2,465.26 km) |
