| Welby to Cavaillon | 5,200.65 mi (8,369.63 km) |
| Welby to Cebazat | 5,038.62 mi (8,108.87 km) |
| Welby to Cenon | 4,944.73 mi (7,957.77 km) |
| Welby to Cergy | 4,860.37 mi (7,822.01 km) |
| Welby to Cernay | 5,093.76 mi (8,197.62 km) |
| Welby to Cesson | 4,899.85 mi (7,885.54 km) |
| Welby to Cesson-Sevigne | 4,766.70 mi (7,671.27 km) |
| Welby to Cestas | 4,943.81 mi (7,956.29 km) |
| Welby to Chalette-sur-Loing | 4,928.91 mi (7,932.31 km) |
| Welby to Challans | 4,809.39 mi (7,739.96 km) |
| Welby to Chalon-sur-Saone | 5,059.43 mi (8,142.37 km) |
| Welby to Chalons-en-Champagne | 4,944.35 mi (7,957.17 km) |
| Welby to Chamalieres | 5,039.98 mi (8,111.06 km) |
| Welby to Chambery | 5,152.78 mi (8,292.60 km) |
| Welby to Chambly | 4,861.23 mi (7,823.40 km) |
