| Alpena to Castrovillari | 4,749.76 mi (7,644.00 km) |
| Alpena to Catania | 4,811.70 mi (7,743.68 km) |
| Alpena to Catanzaro | 4,807.95 mi (7,737.65 km) |
| Alpena to Cattolica | 4,428.56 mi (7,127.07 km) |
| Alpena to Cava de' Tirreni | 4,650.05 mi (7,483.53 km) |
| Alpena to Cavallino | 4,805.16 mi (7,733.16 km) |
| Alpena to Cavarzere | 4,353.26 mi (7,005.89 km) |
| Alpena to Cave | 4,530.17 mi (7,290.60 km) |
| Alpena to Cavriago | 4,311.70 mi (6,939.01 km) |
| Alpena to Cavriglia | 4,399.06 mi (7,079.60 km) |
| Alpena to Cazzago San Martino | 4,255.26 mi (6,848.18 km) |
| Alpena to Ceccano | 4,557.08 mi (7,333.91 km) |
| Alpena to Cecina | 4,369.40 mi (7,031.88 km) |
| Alpena to Cefalu | 4,743.37 mi (7,633.72 km) |
| Alpena to Ceglie Messapico | 4,762.45 mi (7,664.42 km) |
