| Biddeford to Celano | 4,065.99 mi (6,543.58 km) |
| Biddeford to Cento | 3,873.49 mi (6,233.79 km) |
| Biddeford to Cepagatti | 4,077.54 mi (6,562.16 km) |
| Biddeford to Ceprano | 4,084.20 mi (6,572.89 km) |
| Biddeford to Cercola | 4,146.27 mi (6,672.77 km) |
| Biddeford to Cerea | 3,854.61 mi (6,203.39 km) |
| Biddeford to Cerese | 3,839.97 mi (6,179.83 km) |
| Biddeford to Cerignola | 4,198.15 mi (6,756.27 km) |
| Biddeford to Cermenate | 3,747.44 mi (6,030.93 km) |
| Biddeford to Cernusco sul Naviglio | 3,764.11 mi (6,057.75 km) |
| Biddeford to Cerreto Guidi | 3,890.01 mi (6,260.36 km) |
| Biddeford to Cerro Maggiore | 3,745.07 mi (6,027.11 km) |
| Biddeford to Certaldo | 3,904.48 mi (6,283.66 km) |
| Biddeford to Cerveteri | 4,005.89 mi (6,446.86 km) |
| Biddeford to Cervia | 3,935.68 mi (6,333.87 km) |
