| Alpena to Chivasso | 4,187.61 mi (6,739.30 km) |
| Alpena to Ciampino | 4,517.65 mi (7,270.46 km) |
| Alpena to Cicciano | 4,631.43 mi (7,453.57 km) |
| Alpena to Cingoli | 4,473.40 mi (7,199.24 km) |
| Alpena to Cinisello Balsamo | 4,225.12 mi (6,799.67 km) |
| Alpena to Cinisi | 4,699.73 mi (7,563.49 km) |
| Alpena to Cirie | 4,174.49 mi (6,718.19 km) |
| Alpena to Ciro Marina | 4,807.16 mi (7,736.37 km) |
| Alpena to Cislago | 4,211.29 mi (6,777.42 km) |
| Alpena to Cisterna di Latina | 4,535.94 mi (7,299.88 km) |
| Alpena to Cisternino | 4,756.00 mi (7,654.04 km) |
| Alpena to Citta di Castello | 4,431.32 mi (7,131.51 km) |
| Alpena to Citta Sant'Angelo | 4,543.27 mi (7,311.69 km) |
| Alpena to Cittadella | 4,320.11 mi (6,952.55 km) |
| Alpena to Cittanova | 4,812.71 mi (7,745.30 km) |
