| Alpena to Cervignano del Friuli | 4,371.80 mi (7,035.73 km) |
| Alpena to Cesa | 4,619.53 mi (7,434.42 km) |
| Alpena to Cesano Maderno | 4,219.05 mi (6,789.90 km) |
| Alpena to Cesena | 4,402.15 mi (7,084.58 km) |
| Alpena to Cesenatico | 4,405.36 mi (7,089.73 km) |
| Alpena to Cetraro | 4,754.37 mi (7,651.41 km) |
| Alpena to Cherasco | 4,208.76 mi (6,773.35 km) |
| Alpena to Chiampo | 4,305.13 mi (6,928.44 km) |
| Alpena to Chiaravalle | 4,467.76 mi (7,190.16 km) |
| Alpena to Chiari | 4,252.29 mi (6,843.41 km) |
| Alpena to Chiavari | 4,280.56 mi (6,888.90 km) |
| Alpena to Chieri | 4,192.22 mi (6,746.73 km) |
| Alpena to Chieti | 4,555.22 mi (7,330.92 km) |
| Alpena to Chioggia | 4,357.32 mi (7,012.43 km) |
| Alpena to Chiusi | 4,438.94 mi (7,143.78 km) |
