| Welver to Caguas (Puerto Rico) | 4,555.41 mi (7,331.23 km) |
| Welver to Cahokia (Illinois) | 4,502.73 mi (7,246.44 km) |
| Welver to Calabasas (California) | 5,689.19 mi (9,155.87 km) |
| Welver to Caldwell (Idaho) | 5,071.11 mi (8,161.17 km) |
| Welver to Caledonia (Wisconsin) | 4,208.08 mi (6,772.26 km) |
| Welver to Calera (Alabama) | 4,650.74 mi (7,484.64 km) |
| Welver to Calexico (California) | 5,681.43 mi (9,143.38 km) |
| Welver to Calhoun (Georgia) | 4,511.10 mi (7,259.92 km) |
| Welver to California (Maryland) | 3,993.49 mi (6,426.90 km) |
| Welver to California City (California) | 5,605.47 mi (9,021.14 km) |
| Welver to Callaway (Florida) | 4,757.93 mi (7,657.14 km) |
| Welver to Calumet City (Illinois) | 4,254.43 mi (6,846.84 km) |
| Welver to Calverton (Maryland) | 3,975.57 mi (6,398.06 km) |
| Welver to Camano (Washington) | 4,946.56 mi (7,960.72 km) |
| Welver to Camarillo (California) | 5,694.50 mi (9,164.41 km) |
