| Upper Arlington to Cascais | 3,815.86 mi (6,141.03 km) |
| Upper Arlington to Castelo Branco | 3,873.03 mi (6,233.04 km) |
| Upper Arlington to Castro Daire | 3,819.51 mi (6,146.90 km) |
| Upper Arlington to Celorico de Basto | 3,801.94 mi (6,118.63 km) |
| Upper Arlington to Chamusca | 3,840.62 mi (6,180.89 km) |
| Upper Arlington to Chaves | 3,816.01 mi (6,141.27 km) |
| Upper Arlington to Cinfaes | 3,804.12 mi (6,122.14 km) |
| Upper Arlington to Coimbra | 3,816.88 mi (6,142.67 km) |
| Upper Arlington to Condeixa-a-Nova | 3,816.38 mi (6,141.87 km) |
| Upper Arlington to Corroios | 3,831.33 mi (6,165.93 km) |
| Upper Arlington to Coruche | 3,850.71 mi (6,197.12 km) |
| Upper Arlington to Costa de Caparica | 3,826.31 mi (6,157.85 km) |
| Upper Arlington to Covilha | 3,858.65 mi (6,209.90 km) |
| Upper Arlington to Eiras | 3,816.18 mi (6,141.55 km) |
| Upper Arlington to Elvas | 3,919.48 mi (6,307.79 km) |
