| Balchik to Olivenza | 1,851.92 mi (2,980.38 km) |
| Balchik to Olot | 1,299.09 mi (2,090.68 km) |
| Balchik to Onate | 1,530.92 mi (2,463.78 km) |
| Balchik to Onda | 1,478.54 mi (2,379.48 km) |
| Balchik to Onteniente | 1,522.71 mi (2,450.57 km) |
| Balchik to Orihuela | 1,558.92 mi (2,508.84 km) |
| Balchik to Osuna | 1,790.63 mi (2,881.74 km) |
| Balchik to Ourense | 1,811.20 mi (2,914.84 km) |
| Balchik to Oviedo | 1,695.35 mi (2,728.40 km) |
| Balchik to Paiporta | 1,498.49 mi (2,411.59 km) |
| Balchik to Pajara | 2,551.08 mi (4,105.57 km) |
| Balchik to Palafolls | 1,294.11 mi (2,082.66 km) |
| Balchik to Palafrugell | 1,269.43 mi (2,042.95 km) |
| Balchik to Palamos | 1,272.28 mi (2,047.53 km) |
| Balchik to Palencia | 1,651.79 mi (2,658.30 km) |
