| Oulu to Campos del Puerto | 1,982.33 mi (3,190.25 km) |
| Oulu to Canals | 2,080.87 mi (3,348.84 km) |
| Oulu to Candelaria | 3,107.55 mi (5,001.12 km) |
| Oulu to Canet de Mar | 1,850.53 mi (2,978.13 km) |
| Oulu to Cangas | 2,057.25 mi (3,310.83 km) |
| Oulu to Cangas de Narcea | 1,947.89 mi (3,134.83 km) |
| Oulu to Canovellas | 1,854.53 mi (2,984.58 km) |
| Oulu to Canteras | 2,176.72 mi (3,503.09 km) |
| Oulu to Cantillana | 2,277.47 mi (3,665.23 km) |
| Oulu to Capdepera | 1,957.40 mi (3,150.14 km) |
| Oulu to Carballo | 1,997.26 mi (3,214.28 km) |
| Oulu to Carcagente | 2,067.83 mi (3,327.85 km) |
| Oulu to Cardedeu | 1,851.57 mi (2,979.81 km) |
| Oulu to Carlet | 2,062.58 mi (3,319.40 km) |
| Oulu to Carmona | 2,281.87 mi (3,672.31 km) |
