| Sozopol to Olivenza | 1,832.08 mi (2,948.45 km) |
| Sozopol to Olot | 1,283.73 mi (2,065.96 km) |
| Sozopol to Onate | 1,521.00 mi (2,447.81 km) |
| Sozopol to Onda | 1,457.18 mi (2,345.11 km) |
| Sozopol to Onteniente | 1,498.04 mi (2,410.87 km) |
| Sozopol to Orihuela | 1,532.35 mi (2,466.09 km) |
| Sozopol to Osuna | 1,765.44 mi (2,841.20 km) |
| Sozopol to Ourense | 1,801.72 mi (2,899.59 km) |
| Sozopol to Oviedo | 1,687.93 mi (2,716.46 km) |
| Sozopol to Paiporta | 1,475.55 mi (2,374.66 km) |
| Sozopol to Pajara | 2,516.65 mi (4,050.16 km) |
| Sozopol to Palafolls | 1,276.63 mi (2,054.54 km) |
| Sozopol to Palafrugell | 1,252.66 mi (2,015.96 km) |
| Sozopol to Palamos | 1,255.25 mi (2,020.13 km) |
| Sozopol to Palencia | 1,639.66 mi (2,638.78 km) |
