| Oshkosh to Collegno | 4,424.47 mi (7,120.50 km) |
| Oshkosh to Cologno al Serio | 4,484.77 mi (7,217.53 km) |
| Oshkosh to Cologno Monzese | 4,471.05 mi (7,195.45 km) |
| Oshkosh to Colorno | 4,538.73 mi (7,304.38 km) |
| Oshkosh to Comacchio | 4,617.22 mi (7,430.70 km) |
| Oshkosh to Comiso | 5,066.47 mi (8,153.69 km) |
| Oshkosh to Como | 4,451.77 mi (7,164.42 km) |
| Oshkosh to Concordia Sagittaria | 4,594.99 mi (7,394.93 km) |
| Oshkosh to Concorezzo | 4,470.64 mi (7,194.80 km) |
| Oshkosh to Conegliano | 4,569.21 mi (7,353.43 km) |
| Oshkosh to Conselice | 4,612.07 mi (7,422.41 km) |
| Oshkosh to Conselve | 4,581.80 mi (7,373.70 km) |
| Oshkosh to Conversano | 4,975.25 mi (8,006.89 km) |
| Oshkosh to Copertino | 5,044.05 mi (8,117.61 km) |
| Oshkosh to Copparo | 4,595.19 mi (7,395.24 km) |
