| Holbrook to Cascais | 3,308.04 mi (5,323.78 km) |
| Holbrook to Castelo Branco | 3,370.88 mi (5,424.91 km) |
| Holbrook to Castro Daire | 3,320.54 mi (5,343.89 km) |
| Holbrook to Celorico de Basto | 3,304.63 mi (5,318.29 km) |
| Holbrook to Chamusca | 3,335.83 mi (5,368.50 km) |
| Holbrook to Chaves | 3,320.67 mi (5,344.10 km) |
| Holbrook to Cinfaes | 3,305.63 mi (5,319.89 km) |
| Holbrook to Coimbra | 3,314.94 mi (5,334.89 km) |
| Holbrook to Condeixa-a-Nova | 3,314.05 mi (5,333.44 km) |
| Holbrook to Corroios | 3,323.55 mi (5,348.73 km) |
| Holbrook to Coruche | 3,344.65 mi (5,382.69 km) |
| Holbrook to Costa de Caparica | 3,318.53 mi (5,340.65 km) |
| Holbrook to Covilha | 3,358.06 mi (5,404.28 km) |
| Holbrook to Eiras | 3,314.36 mi (5,333.95 km) |
| Holbrook to Elvas | 3,414.71 mi (5,495.45 km) |
