| Yambol to Castelo Branco | 1,766.56 mi (2,843.01 km) |
| Yambol to Castro Daire | 1,767.72 mi (2,844.87 km) |
| Yambol to Celorico de Basto | 1,762.67 mi (2,836.74 km) |
| Yambol to Chamusca | 1,826.25 mi (2,939.06 km) |
| Yambol to Chaves | 1,730.28 mi (2,784.62 km) |
| Yambol to Cinfaes | 1,774.25 mi (2,855.37 km) |
| Yambol to Coimbra | 1,805.73 mi (2,906.04 km) |
| Yambol to Condeixa-a-Nova | 1,811.18 mi (2,914.81 km) |
| Yambol to Corroios | 1,876.65 mi (3,020.18 km) |
| Yambol to Coruche | 1,837.12 mi (2,956.56 km) |
| Yambol to Costa de Caparica | 1,880.27 mi (3,026.00 km) |
| Yambol to Covilha | 1,757.31 mi (2,828.12 km) |
| Yambol to Eiras | 1,804.86 mi (2,904.64 km) |
| Yambol to Elvas | 1,769.14 mi (2,847.16 km) |
| Yambol to Entroncamento | 1,823.00 mi (2,933.83 km) |
