| Sumner to Cavaillon | 5,374.11 mi (8,648.79 km) |
| Sumner to Cebazat | 5,206.80 mi (8,379.53 km) |
| Sumner to Cenon | 5,157.93 mi (8,300.88 km) |
| Sumner to Cergy | 4,998.40 mi (8,044.14 km) |
| Sumner to Cernay | 5,201.05 mi (8,370.28 km) |
| Sumner to Cesson | 5,039.07 mi (8,109.61 km) |
| Sumner to Cesson-Sevigne | 4,947.87 mi (7,962.83 km) |
| Sumner to Cestas | 5,159.77 mi (8,303.85 km) |
| Sumner to Chalette-sur-Loing | 5,073.81 mi (8,165.51 km) |
| Sumner to Challans | 5,009.39 mi (8,061.83 km) |
| Sumner to Chalon-sur-Saone | 5,200.15 mi (8,368.83 km) |
| Sumner to Chalons-en-Champagne | 5,063.26 mi (8,148.52 km) |
| Sumner to Chamalieres | 5,209.16 mi (8,383.33 km) |
| Sumner to Chambery | 5,297.85 mi (8,526.07 km) |
| Sumner to Chambly | 4,996.02 mi (8,040.32 km) |
