| Tonawanda to Chivasso | 4,085.90 mi (6,575.62 km) |
| Tonawanda to Ciampino | 4,412.24 mi (7,100.81 km) |
| Tonawanda to Cicciano | 4,527.14 mi (7,285.73 km) |
| Tonawanda to Cingoli | 4,375.27 mi (7,041.32 km) |
| Tonawanda to Cinisello Balsamo | 4,127.51 mi (6,642.59 km) |
| Tonawanda to Cinisi | 4,582.15 mi (7,374.25 km) |
| Tonawanda to Cirie | 4,072.41 mi (6,553.91 km) |
| Tonawanda to Ciro Marina | 4,702.99 mi (7,568.73 km) |
| Tonawanda to Cislago | 4,113.60 mi (6,620.21 km) |
| Tonawanda to Cisterna di Latina | 4,430.23 mi (7,129.76 km) |
| Tonawanda to Cisternino | 4,657.37 mi (7,495.32 km) |
| Tonawanda to Citta di Castello | 4,331.50 mi (6,970.88 km) |
| Tonawanda to Citta Sant'Angelo | 4,443.69 mi (7,151.43 km) |
| Tonawanda to Cittadella | 4,228.03 mi (6,804.36 km) |
| Tonawanda to Cittanova | 4,702.56 mi (7,568.04 km) |
