| Oneonta to Collegno | 3,938.02 mi (6,337.63 km) |
| Oneonta to Cologno al Serio | 4,010.58 mi (6,454.41 km) |
| Oneonta to Cologno Monzese | 3,994.78 mi (6,428.98 km) |
| Oneonta to Colorno | 4,061.95 mi (6,537.08 km) |
| Oneonta to Comacchio | 4,145.77 mi (6,671.97 km) |
| Oneonta to Comiso | 4,549.51 mi (7,321.73 km) |
| Oneonta to Como | 3,977.08 mi (6,400.49 km) |
| Oneonta to Concordia Sagittaria | 4,134.80 mi (6,654.32 km) |
| Oneonta to Concorezzo | 3,995.10 mi (6,429.50 km) |
| Oneonta to Conegliano | 4,107.76 mi (6,610.80 km) |
| Oneonta to Conselice | 4,137.76 mi (6,659.08 km) |
| Oneonta to Conselve | 4,113.33 mi (6,619.77 km) |
| Oneonta to Conversano | 4,496.70 mi (7,236.74 km) |
| Oneonta to Copertino | 4,564.72 mi (7,346.21 km) |
| Oneonta to Copparo | 4,123.92 mi (6,636.80 km) |
