| Manassas to Cascais | 3,577.64 mi (5,757.66 km) |
| Manassas to Castelo Branco | 3,642.03 mi (5,861.27 km) |
| Manassas to Castro Daire | 3,592.37 mi (5,781.36 km) |
| Manassas to Celorico de Basto | 3,576.76 mi (5,756.24 km) |
| Manassas to Chamusca | 3,606.32 mi (5,803.82 km) |
| Manassas to Chaves | 3,593.10 mi (5,782.53 km) |
| Manassas to Cinfaes | 3,577.55 mi (5,757.50 km) |
| Manassas to Coimbra | 3,586.16 mi (5,771.37 km) |
| Manassas to Condeixa-a-Nova | 3,585.17 mi (5,769.78 km) |
| Manassas to Corroios | 3,593.15 mi (5,782.62 km) |
| Manassas to Coruche | 3,614.78 mi (5,817.42 km) |
| Manassas to Costa de Caparica | 3,588.13 mi (5,774.54 km) |
| Manassas to Covilha | 3,629.56 mi (5,841.21 km) |
| Manassas to Eiras | 3,585.60 mi (5,770.47 km) |
| Manassas to Elvas | 3,685.18 mi (5,930.73 km) |
