| Alpena to Busto Arsizio | 4,208.36 mi (6,772.70 km) |
| Alpena to Busto Garolfo | 4,212.34 mi (6,779.10 km) |
| Alpena to Cabras | 4,433.17 mi (7,134.50 km) |
| Alpena to Cadelbosco di Sopra | 4,311.51 mi (6,938.70 km) |
| Alpena to Cadoneghe | 4,334.30 mi (6,975.38 km) |
| Alpena to Cagli | 4,443.34 mi (7,150.86 km) |
| Alpena to Cagliari | 4,487.63 mi (7,222.14 km) |
| Alpena to Cairo Montenotte | 4,234.87 mi (6,815.36 km) |
| Alpena to Caivano | 4,622.93 mi (7,439.89 km) |
| Alpena to Calcinaia | 4,357.82 mi (7,013.23 km) |
| Alpena to Calcinato | 4,275.44 mi (6,880.66 km) |
| Alpena to Calderara di Reno | 4,345.90 mi (6,994.05 km) |
| Alpena to Caldogno | 4,311.14 mi (6,938.11 km) |
| Alpena to Calenzano | 4,371.69 mi (7,035.55 km) |
| Alpena to Calolziocorte | 4,223.30 mi (6,796.75 km) |
