| Tonawanda to Castrovillari | 4,645.05 mi (7,475.48 km) |
| Tonawanda to Catania | 4,696.31 mi (7,557.98 km) |
| Tonawanda to Catanzaro | 4,700.92 mi (7,565.40 km) |
| Tonawanda to Cattolica | 4,331.74 mi (6,971.26 km) |
| Tonawanda to Cava de' Tirreni | 4,545.15 mi (7,314.72 km) |
| Tonawanda to Cavallino | 4,706.81 mi (7,574.88 km) |
| Tonawanda to Cavarzere | 4,259.72 mi (6,855.36 km) |
| Tonawanda to Cave | 4,425.53 mi (7,122.21 km) |
| Tonawanda to Cavriago | 4,213.26 mi (6,780.59 km) |
| Tonawanda to Cavriglia | 4,297.87 mi (6,916.76 km) |
| Tonawanda to Cazzago San Martino | 4,159.38 mi (6,693.88 km) |
| Tonawanda to Ceccano | 4,452.37 mi (7,165.40 km) |
| Tonawanda to Cecina | 4,265.43 mi (6,864.54 km) |
| Tonawanda to Cefalu | 4,627.39 mi (7,447.06 km) |
| Tonawanda to Ceglie Messapico | 4,663.67 mi (7,505.46 km) |
