| Oskaloosa to Collegno | 4,704.44 mi (7,571.07 km) |
| Oskaloosa to Cologno al Serio | 4,764.92 mi (7,668.40 km) |
| Oskaloosa to Cologno Monzese | 4,751.18 mi (7,646.29 km) |
| Oskaloosa to Colorno | 4,818.87 mi (7,755.22 km) |
| Oskaloosa to Comacchio | 4,897.40 mi (7,881.60 km) |
| Oskaloosa to Comiso | 5,345.50 mi (8,602.76 km) |
| Oskaloosa to Como | 4,731.92 mi (7,615.28 km) |
| Oskaloosa to Concordia Sagittaria | 4,875.15 mi (7,845.79 km) |
| Oskaloosa to Concorezzo | 4,750.79 mi (7,645.65 km) |
| Oskaloosa to Conegliano | 4,849.37 mi (7,804.30 km) |
| Oskaloosa to Conselice | 4,892.24 mi (7,873.29 km) |
| Oskaloosa to Conselve | 4,861.99 mi (7,824.61 km) |
| Oskaloosa to Conversano | 5,255.41 mi (8,457.76 km) |
| Oskaloosa to Copertino | 5,324.21 mi (8,568.48 km) |
| Oskaloosa to Copparo | 4,875.37 mi (7,846.15 km) |
