| Omurtag to Castelo Branco | 1,758.70 mi (2,830.36 km) |
| Omurtag to Castro Daire | 1,757.93 mi (2,829.12 km) |
| Omurtag to Celorico de Basto | 1,752.07 mi (2,819.69 km) |
| Omurtag to Chamusca | 1,818.73 mi (2,926.96 km) |
| Omurtag to Chaves | 1,719.27 mi (2,766.89 km) |
| Omurtag to Cinfaes | 1,764.07 mi (2,838.99 km) |
| Omurtag to Coimbra | 1,796.87 mi (2,891.79 km) |
| Omurtag to Condeixa-a-Nova | 1,802.45 mi (2,900.76 km) |
| Omurtag to Corroios | 1,869.98 mi (3,009.44 km) |
| Omurtag to Coruche | 1,830.19 mi (2,945.41 km) |
| Omurtag to Costa de Caparica | 1,873.51 mi (3,015.13 km) |
| Omurtag to Covilha | 1,748.69 mi (2,814.24 km) |
| Omurtag to Eiras | 1,795.95 mi (2,890.31 km) |
| Omurtag to Elvas | 1,762.97 mi (2,837.22 km) |
| Omurtag to Entroncamento | 1,815.30 mi (2,921.45 km) |
