| Hartford to Cascais | 3,267.25 mi (5,258.14 km) |
| Hartford to Castelo Branco | 3,327.94 mi (5,355.81 km) |
| Hartford to Castro Daire | 3,276.49 mi (5,273.01 km) |
| Hartford to Celorico de Basto | 3,260.04 mi (5,246.53 km) |
| Hartford to Chamusca | 3,293.85 mi (5,300.94 km) |
| Hartford to Chaves | 3,275.46 mi (5,271.35 km) |
| Hartford to Cinfaes | 3,261.42 mi (5,248.75 km) |
| Hartford to Coimbra | 3,271.91 mi (5,265.63 km) |
| Hartford to Condeixa-a-Nova | 3,271.16 mi (5,264.42 km) |
| Hartford to Corroios | 3,282.75 mi (5,283.07 km) |
| Hartford to Coruche | 3,303.16 mi (5,315.92 km) |
| Hartford to Costa de Caparica | 3,277.72 mi (5,274.99 km) |
| Hartford to Covilha | 3,314.58 mi (5,334.30 km) |
| Hartford to Eiras | 3,271.29 mi (5,264.63 km) |
| Hartford to Elvas | 3,372.75 mi (5,427.91 km) |
