| Johnstown to Cadiz | 3,826.02 mi (6,157.39 km) |
| Johnstown to Calafell | 4,048.68 mi (6,515.71 km) |
| Johnstown to Calahorra | 3,851.84 mi (6,198.94 km) |
| Johnstown to Calasparra | 3,993.27 mi (6,426.54 km) |
| Johnstown to Calatayud | 3,896.40 mi (6,270.65 km) |
| Johnstown to Caldas de Montbuy | 4,061.83 mi (6,536.88 km) |
| Johnstown to Caldas de Reyes | 3,533.57 mi (5,686.74 km) |
| Johnstown to Calella | 4,084.92 mi (6,574.04 km) |
| Johnstown to Callosa de Segura | 4,035.93 mi (6,495.21 km) |
| Johnstown to Calpe | 4,062.26 mi (6,537.58 km) |
| Johnstown to Calvia | 4,146.37 mi (6,672.94 km) |
| Johnstown to Camas | 3,811.17 mi (6,133.48 km) |
| Johnstown to Cambados | 3,528.75 mi (5,678.97 km) |
| Johnstown to Cambre | 3,529.72 mi (5,680.54 km) |
| Johnstown to Cambrils | 4,029.50 mi (6,484.85 km) |
