| Omagh to Benavente | 1,081.76 mi (1,740.93 km) |
| Omagh to Bombarral | 1,062.20 mi (1,709.44 km) |
| Omagh to Bougado | 917.53 mi (1,476.63 km) |
| Omagh to Braga | 902.43 mi (1,452.33 km) |
| Omagh to Braganca | 883.57 mi (1,421.97 km) |
| Omagh to Cabeceiras de Basto | 902.74 mi (1,452.82 km) |
| Omagh to Cacem | 1,097.09 mi (1,765.60 km) |
| Omagh to Cadaval | 1,064.39 mi (1,712.97 km) |
| Omagh to Caldas da Rainha | 1,052.54 mi (1,693.89 km) |
| Omagh to Calheta | 1,585.69 mi (2,551.91 km) |
| Omagh to Camara de Lobos | 1,584.97 mi (2,550.76 km) |
| Omagh to Canico | 1,586.75 mi (2,553.62 km) |
| Omagh to Cantanhede | 985.99 mi (1,586.80 km) |
| Omagh to Carregal do Sal | 978.68 mi (1,575.04 km) |
| Omagh to Cartaxo | 1,069.07 mi (1,720.50 km) |
