| Oulu to Catania | 1,947.53 mi (3,134.25 km) |
| Oulu to Catanzaro | 1,839.37 mi (2,960.18 km) |
| Oulu to Cattolica | 1,534.61 mi (2,469.72 km) |
| Oulu to Cava de' Tirreni | 1,733.40 mi (2,789.65 km) |
| Oulu to Cavallino | 1,730.81 mi (2,785.47 km) |
| Oulu to Cavarzere | 1,464.78 mi (2,357.34 km) |
| Oulu to Cave | 1,676.65 mi (2,698.30 km) |
| Oulu to Cavriago | 1,515.06 mi (2,438.25 km) |
| Oulu to Cavriglia | 1,580.57 mi (2,543.67 km) |
| Oulu to Cazzago San Martino | 1,464.42 mi (2,356.76 km) |
| Oulu to Ceccano | 1,688.98 mi (2,718.16 km) |
| Oulu to Cecina | 1,606.94 mi (2,586.12 km) |
| Oulu to Cefalu | 1,921.22 mi (3,091.91 km) |
| Oulu to Ceglie Messapico | 1,712.88 mi (2,756.61 km) |
| Oulu to Celano | 1,651.43 mi (2,657.72 km) |
