| Hackettstown to Cascais | 3,393.01 mi (5,460.53 km) |
| Hackettstown to Castelo Branco | 3,454.48 mi (5,559.44 km) |
| Hackettstown to Castro Daire | 3,403.36 mi (5,477.18 km) |
| Hackettstown to Celorico de Basto | 3,387.05 mi (5,450.93 km) |
| Hackettstown to Chamusca | 3,420.06 mi (5,504.05 km) |
| Hackettstown to Chaves | 3,402.63 mi (5,476.00 km) |
| Hackettstown to Cinfaes | 3,388.33 mi (5,452.99 km) |
| Hackettstown to Coimbra | 3,398.47 mi (5,469.31 km) |
| Hackettstown to Condeixa-a-Nova | 3,397.67 mi (5,468.02 km) |
| Hackettstown to Corroios | 3,408.51 mi (5,485.47 km) |
| Hackettstown to Coruche | 3,429.19 mi (5,518.75 km) |
| Hackettstown to Costa de Caparica | 3,403.49 mi (5,477.39 km) |
| Hackettstown to Covilha | 3,441.28 mi (5,538.21 km) |
| Hackettstown to Eiras | 3,397.86 mi (5,468.33 km) |
| Hackettstown to Elvas | 3,498.95 mi (5,631.02 km) |
