| Buchs to Caguas (Puerto Rico) | 4,627.86 mi (7,447.83 km) |
| Buchs to Cahokia (Illinois) | 4,726.13 mi (7,605.98 km) |
| Buchs to Calabasas (California) | 5,964.71 mi (9,599.27 km) |
| Buchs to Caldwell (Idaho) | 5,356.13 mi (8,619.86 km) |
| Buchs to Caledonia (Wisconsin) | 4,439.06 mi (7,143.97 km) |
| Buchs to Calera (Alabama) | 4,848.65 mi (7,803.15 km) |
| Buchs to Calexico (California) | 5,948.50 mi (9,573.18 km) |
| Buchs to Calhoun (Georgia) | 4,708.49 mi (7,577.59 km) |
| Buchs to California (Maryland) | 4,181.84 mi (6,730.02 km) |
| Buchs to California City (California) | 5,880.92 mi (9,464.43 km) |
| Buchs to Callaway (Florida) | 4,942.80 mi (7,954.66 km) |
| Buchs to Calumet City (Illinois) | 4,481.04 mi (7,211.54 km) |
| Buchs to Calverton (Maryland) | 4,168.04 mi (6,707.81 km) |
| Buchs to Camano (Washington) | 5,244.09 mi (8,439.55 km) |
| Buchs to Camarillo (California) | 5,970.81 mi (9,609.09 km) |
