| North Tonawanda to Cividale del Friuli | 4,274.66 mi (6,879.40 km) |
| North Tonawanda to Civita Castellana | 4,382.48 mi (7,052.92 km) |
| North Tonawanda to Civitanova Marche | 4,397.11 mi (7,076.46 km) |
| North Tonawanda to Civitavecchia | 4,364.74 mi (7,024.37 km) |
| North Tonawanda to Civitella in Val di Chiana | 4,309.44 mi (6,935.37 km) |
| North Tonawanda to Clusone | 4,143.06 mi (6,667.62 km) |
| North Tonawanda to Coccaglio | 4,156.10 mi (6,688.60 km) |
| North Tonawanda to Codigoro | 4,270.80 mi (6,873.20 km) |
| North Tonawanda to Codogno | 4,159.96 mi (6,694.80 km) |
| North Tonawanda to Codroipo | 4,261.92 mi (6,858.90 km) |
| North Tonawanda to Cogoleto | 4,144.88 mi (6,670.54 km) |
| North Tonawanda to Colle di Val d'Elsa | 4,285.90 mi (6,897.48 km) |
| North Tonawanda to Colle Salvetti | 4,251.16 mi (6,841.58 km) |
| North Tonawanda to Collecchio | 4,196.35 mi (6,753.37 km) |
| North Tonawanda to Colleferro | 4,430.41 mi (7,130.06 km) |
