| Oulu to Corbetta | 1,489.10 mi (2,396.48 km) |
| Oulu to Corciano | 1,595.97 mi (2,568.46 km) |
| Oulu to Cordenons | 1,400.40 mi (2,253.73 km) |
| Oulu to Cori | 1,688.48 mi (2,717.35 km) |
| Oulu to Coriano | 1,536.25 mi (2,472.36 km) |
| Oulu to Corigliano Calabro | 1,792.20 mi (2,884.26 km) |
| Oulu to Corleone | 1,943.13 mi (3,127.17 km) |
| Oulu to Cormano | 1,479.71 mi (2,381.37 km) |
| Oulu to Cornaredo | 1,485.08 mi (2,390.01 km) |
| Oulu to Cornate d'Adda | 1,468.49 mi (2,363.31 km) |
| Oulu to Cornedo Vicentino | 1,442.90 mi (2,322.12 km) |
| Oulu to Correggio | 1,506.87 mi (2,425.07 km) |
| Oulu to Corridonia | 1,573.47 mi (2,532.26 km) |
| Oulu to Corsico | 1,488.13 mi (2,394.91 km) |
| Oulu to Cortona | 1,590.14 mi (2,559.09 km) |
