| Tonawanda to Cervignano del Friuli | 4,283.57 mi (6,893.73 km) |
| Tonawanda to Cesa | 4,514.58 mi (7,265.51 km) |
| Tonawanda to Cesano Maderno | 4,121.63 mi (6,633.13 km) |
| Tonawanda to Cesena | 4,304.99 mi (6,928.22 km) |
| Tonawanda to Cesenatico | 4,308.75 mi (6,934.26 km) |
| Tonawanda to Cetraro | 4,647.96 mi (7,480.17 km) |
| Tonawanda to Cherasco | 4,104.78 mi (6,606.01 km) |
| Tonawanda to Chiampo | 4,211.64 mi (6,777.97 km) |
| Tonawanda to Chiaravalle | 4,370.78 mi (7,034.09 km) |
| Tonawanda to Chiari | 4,155.88 mi (6,688.24 km) |
| Tonawanda to Chiavari | 4,178.15 mi (6,724.09 km) |
| Tonawanda to Chieri | 4,089.65 mi (6,581.66 km) |
| Tonawanda to Chieti | 4,455.27 mi (7,170.06 km) |
| Tonawanda to Chioggia | 4,264.52 mi (6,863.08 km) |
| Tonawanda to Chiusi | 4,336.78 mi (6,979.38 km) |
