| Yambol to Olivenza | 1,770.74 mi (2,849.74 km) |
| Yambol to Olot | 1,222.48 mi (1,967.39 km) |
| Yambol to Onate | 1,460.15 mi (2,349.89 km) |
| Yambol to Onda | 1,395.87 mi (2,246.43 km) |
| Yambol to Onteniente | 1,436.91 mi (2,312.48 km) |
| Yambol to Orihuela | 1,471.39 mi (2,367.97 km) |
| Yambol to Osuna | 1,704.36 mi (2,742.91 km) |
| Yambol to Ourense | 1,740.89 mi (2,801.68 km) |
| Yambol to Oviedo | 1,627.37 mi (2,618.99 km) |
| Yambol to Paiporta | 1,414.30 mi (2,276.09 km) |
| Yambol to Pajara | 2,457.06 mi (3,954.26 km) |
| Yambol to Palafolls | 1,215.30 mi (1,955.84 km) |
| Yambol to Palafrugell | 1,191.35 mi (1,917.30 km) |
| Yambol to Palamos | 1,193.93 mi (1,921.45 km) |
| Yambol to Palencia | 1,578.59 mi (2,540.49 km) |
