| Johnstown to Cabestany | 4,062.65 mi (6,538.20 km) |
| Johnstown to Cabries | 4,145.77 mi (6,671.97 km) |
| Johnstown to Cachan | 3,849.83 mi (6,195.71 km) |
| Johnstown to Caen | 3,726.73 mi (5,997.59 km) |
| Johnstown to Cagnes-sur-Mer | 4,215.56 mi (6,784.28 km) |
| Johnstown to Cahors | 3,939.92 mi (6,340.69 km) |
| Johnstown to Calais | 3,771.22 mi (6,069.19 km) |
| Johnstown to Caluire-et-Cuire | 4,046.05 mi (6,511.49 km) |
| Johnstown to Cambrai | 3,847.87 mi (6,192.55 km) |
| Johnstown to Canet-en-Roussillon | 4,064.72 mi (6,541.54 km) |
| Johnstown to Cannes | 4,213.49 mi (6,780.96 km) |
| Johnstown to Canteleu | 3,777.89 mi (6,079.93 km) |
| Johnstown to Capbreton | 3,835.90 mi (6,173.29 km) |
| Johnstown to Carcassonne | 4,019.07 mi (6,468.07 km) |
| Johnstown to Carmaux | 3,984.00 mi (6,411.64 km) |
