| Buffalo to Collegno | 4,079.92 mi (6,565.99 km) |
| Buffalo to Cologno al Serio | 4,149.17 mi (6,677.44 km) |
| Buffalo to Cologno Monzese | 4,133.92 mi (6,652.91 km) |
| Buffalo to Colorno | 4,201.38 mi (6,761.46 km) |
| Buffalo to Comacchio | 4,283.86 mi (6,894.21 km) |
| Buffalo to Comiso | 4,700.97 mi (7,565.47 km) |
| Buffalo to Como | 4,115.74 mi (6,623.64 km) |
| Buffalo to Concordia Sagittaria | 4,269.70 mi (6,871.43 km) |
| Buffalo to Concorezzo | 4,134.04 mi (6,653.09 km) |
| Buffalo to Conegliano | 4,242.96 mi (6,828.38 km) |
| Buffalo to Conselice | 4,276.64 mi (6,882.59 km) |
| Buffalo to Conselve | 4,250.52 mi (6,840.55 km) |
| Buffalo to Conversano | 4,637.45 mi (7,463.25 km) |
| Buffalo to Copertino | 4,705.80 mi (7,573.26 km) |
| Buffalo to Copparo | 4,261.92 mi (6,858.89 km) |
