| Alpena to Cavaillon | 4,127.69 mi (6,642.88 km) |
| Alpena to Cebazat | 3,971.68 mi (6,391.80 km) |
| Alpena to Cenon | 3,859.63 mi (6,211.47 km) |
| Alpena to Cergy | 3,812.86 mi (6,136.21 km) |
| Alpena to Cernay | 4,056.05 mi (6,527.58 km) |
| Alpena to Cesson | 3,850.65 mi (6,197.02 km) |
| Alpena to Cesson-Sevigne | 3,700.05 mi (5,954.66 km) |
| Alpena to Cestas | 3,857.55 mi (6,208.12 km) |
| Alpena to Chalette-sur-Loing | 3,876.04 mi (6,237.88 km) |
| Alpena to Challans | 3,732.96 mi (6,007.61 km) |
| Alpena to Chalon-sur-Saone | 4,005.33 mi (6,445.95 km) |
| Alpena to Chalons-en-Champagne | 3,904.60 mi (6,283.84 km) |
| Alpena to Chamalieres | 3,972.54 mi (6,393.19 km) |
| Alpena to Chambery | 4,094.24 mi (6,589.05 km) |
| Alpena to Chambly | 3,815.40 mi (6,140.29 km) |
