| Biggleswade to Caguas (Puerto Rico) | 4,208.26 mi (6,772.54 km) |
| Biggleswade to Cahokia (Illinois) | 4,179.98 mi (6,727.02 km) |
| Biggleswade to Calabasas (California) | 5,418.35 mi (8,719.99 km) |
| Biggleswade to Caldwell (Idaho) | 4,816.48 mi (7,751.37 km) |
| Biggleswade to Caledonia (Wisconsin) | 3,890.47 mi (6,261.10 km) |
| Biggleswade to Calera (Alabama) | 4,314.34 mi (6,943.27 km) |
| Biggleswade to Calexico (California) | 5,398.98 mi (8,688.82 km) |
| Biggleswade to Calhoun (Georgia) | 4,174.40 mi (6,718.05 km) |
| Biggleswade to California (Maryland) | 3,652.89 mi (5,878.75 km) |
| Biggleswade to California City (California) | 5,334.57 mi (8,585.16 km) |
| Biggleswade to Callaway (Florida) | 4,416.53 mi (7,107.71 km) |
| Biggleswade to Calumet City (Illinois) | 3,933.73 mi (6,330.72 km) |
| Biggleswade to Calverton (Maryland) | 3,636.52 mi (5,852.41 km) |
| Biggleswade to Camano (Washington) | 4,719.69 mi (7,595.60 km) |
| Biggleswade to Camarillo (California) | 5,424.85 mi (8,730.45 km) |
