| Trowbridge to Cascais | 939.26 mi (1,511.59 km) |
| Trowbridge to Castelo Branco | 834.44 mi (1,342.91 km) |
| Trowbridge to Castro Daire | 769.82 mi (1,238.91 km) |
| Trowbridge to Celorico de Basto | 739.46 mi (1,190.05 km) |
| Trowbridge to Chamusca | 880.61 mi (1,417.21 km) |
| Trowbridge to Chaves | 707.12 mi (1,137.99 km) |
| Trowbridge to Cinfaes | 760.23 mi (1,223.46 km) |
| Trowbridge to Coimbra | 823.30 mi (1,324.98 km) |
| Trowbridge to Condeixa-a-Nova | 830.69 mi (1,336.87 km) |
| Trowbridge to Corroios | 940.13 mi (1,513.00 km) |
| Trowbridge to Coruche | 907.18 mi (1,459.97 km) |
| Trowbridge to Costa de Caparica | 939.66 mi (1,512.23 km) |
| Trowbridge to Covilha | 803.50 mi (1,293.11 km) |
| Trowbridge to Eiras | 821.19 mi (1,321.58 km) |
| Trowbridge to Elvas | 893.04 mi (1,437.21 km) |
