| Biddeford to Cadiz | 3,344.94 mi (5,383.16 km) |
| Biddeford to Calafell | 3,562.40 mi (5,733.13 km) |
| Biddeford to Calahorra | 3,365.56 mi (5,416.34 km) |
| Biddeford to Calasparra | 3,508.37 mi (5,646.18 km) |
| Biddeford to Calatayud | 3,410.17 mi (5,488.14 km) |
| Biddeford to Caldas de Montbuy | 3,575.63 mi (5,754.42 km) |
| Biddeford to Caldas de Reyes | 3,047.67 mi (4,904.74 km) |
| Biddeford to Calella | 3,598.76 mi (5,791.64 km) |
| Biddeford to Callosa de Segura | 3,550.87 mi (5,714.58 km) |
| Biddeford to Calpe | 3,576.68 mi (5,756.11 km) |
| Biddeford to Calvia | 3,660.16 mi (5,890.46 km) |
| Biddeford to Camas | 3,328.81 mi (5,357.21 km) |
| Biddeford to Cambados | 3,042.90 mi (4,897.08 km) |
| Biddeford to Cambre | 3,043.56 mi (4,898.14 km) |
| Biddeford to Cambrils | 3,543.22 mi (5,702.25 km) |
