| Ashtabula to Cascais | 3,656.52 mi (5,884.59 km) |
| Ashtabula to Castelo Branco | 3,711.24 mi (5,972.66 km) |
| Ashtabula to Castro Daire | 3,656.60 mi (5,884.72 km) |
| Ashtabula to Celorico de Basto | 3,638.48 mi (5,855.57 km) |
| Ashtabula to Chamusca | 3,679.92 mi (5,922.26 km) |
| Ashtabula to Chaves | 3,651.90 mi (5,877.17 km) |
| Ashtabula to Cinfaes | 3,641.06 mi (5,859.71 km) |
| Ashtabula to Coimbra | 3,655.04 mi (5,882.22 km) |
| Ashtabula to Condeixa-a-Nova | 3,654.70 mi (5,881.67 km) |
| Ashtabula to Corroios | 3,671.95 mi (5,909.44 km) |
| Ashtabula to Coruche | 3,690.54 mi (5,939.35 km) |
| Ashtabula to Costa de Caparica | 3,666.94 mi (5,901.37 km) |
| Ashtabula to Covilha | 3,696.29 mi (5,948.60 km) |
| Ashtabula to Eiras | 3,654.31 mi (5,881.04 km) |
| Ashtabula to Elvas | 3,758.70 mi (6,049.05 km) |
