| University of California-Santa Barbara to Cascais | 5,708.15 mi (9,186.38 km) |
| University of California-Santa Barbara to Castelo Branco | 5,738.68 mi (9,235.52 km) |
| University of California-Santa Barbara to Castro Daire | 5,673.40 mi (9,130.45 km) |
| University of California-Santa Barbara to Celorico de Basto | 5,649.54 mi (9,092.05 km) |
| University of California-Santa Barbara to Chamusca | 5,718.80 mi (9,203.52 km) |
| University of California-Santa Barbara to Chaves | 5,654.95 mi (9,100.76 km) |
| University of California-Santa Barbara to Cinfaes | 5,656.57 mi (9,103.38 km) |
| University of California-Santa Barbara to Coimbra | 5,683.40 mi (9,146.56 km) |
| University of California-Santa Barbara to Condeixa-a-Nova | 5,684.63 mi (9,148.52 km) |
| University of California-Santa Barbara to Corroios | 5,723.02 mi (9,210.30 km) |
| University of California-Santa Barbara to Coruche | 5,734.18 mi (9,228.27 km) |
| University of California-Santa Barbara to Costa de Caparica | 5,718.16 mi (9,202.49 km) |
| University of California-Santa Barbara to Covilha | 5,718.07 mi (9,202.34 km) |
| University of California-Santa Barbara to Eiras | 5,682.26 mi (9,144.72 km) |
| University of California-Santa Barbara to Elvas | 5,795.14 mi (9,326.38 km) |
