| Alpena to Carmignano | 4,367.92 mi (7,029.48 km) |
| Alpena to Carovigno | 4,766.62 mi (7,671.13 km) |
| Alpena to Carpenedolo | 4,279.98 mi (6,887.97 km) |
| Alpena to Carpi | 4,321.85 mi (6,955.34 km) |
| Alpena to Carrara | 4,320.74 mi (6,953.56 km) |
| Alpena to Carugate | 4,229.66 mi (6,806.98 km) |
| Alpena to Casal di Principe | 4,613.32 mi (7,424.43 km) |
| Alpena to Casale Monferrato | 4,212.42 mi (6,779.23 km) |
| Alpena to Casale sul Sile | 4,343.25 mi (6,989.78 km) |
| Alpena to Casalecchio di Reno | 4,350.08 mi (7,000.77 km) |
| Alpena to Casalgrande | 4,324.41 mi (6,959.46 km) |
| Alpena to Casalmaggiore | 4,295.12 mi (6,912.33 km) |
| Alpena to Casalnuovo di Napoli | 4,626.41 mi (7,445.49 km) |
| Alpena to Casalpusterlengo | 4,257.33 mi (6,851.51 km) |
| Alpena to Casaluce | 4,616.72 mi (7,429.89 km) |
