| Bilbao to Buhusi | 1,458.53 mi (2,347.27 km) |
| Bilbao to Bumbesti-Jiu | 1,303.52 mi (2,097.81 km) |
| Bilbao to Busteni | 1,406.99 mi (2,264.33 km) |
| Bilbao to Buzau | 1,470.67 mi (2,366.82 km) |
| Bilbao to Cajvana | 1,424.19 mi (2,292.02 km) |
| Bilbao to Calafat | 1,290.17 mi (2,076.34 km) |
| Bilbao to Calan | 1,283.72 mi (2,065.95 km) |
| Bilbao to Calarasi | 1,503.53 mi (2,419.70 km) |
| Bilbao to Campia Turzii | 1,324.68 mi (2,131.86 km) |
| Bilbao to Campina | 1,418.37 mi (2,282.64 km) |
| Bilbao to Campulung | 1,383.94 mi (2,227.24 km) |
| Bilbao to Campulung Moldovenesc | 1,404.39 mi (2,260.15 km) |
| Bilbao to Caracal | 1,357.62 mi (2,184.88 km) |
| Bilbao to Caransebes | 1,246.41 mi (2,005.90 km) |
| Bilbao to Carei | 1,261.49 mi (2,030.17 km) |
