| Oulu to Cosenza | 1,814.84 mi (2,920.71 km) |
| Oulu to Cossato | 1,494.73 mi (2,405.53 km) |
| Oulu to Costa Volpino | 1,446.98 mi (2,328.69 km) |
| Oulu to Creazzo | 1,446.56 mi (2,328.02 km) |
| Oulu to Crema | 1,483.72 mi (2,387.81 km) |
| Oulu to Cremona | 1,493.78 mi (2,404.01 km) |
| Oulu to Crevalcore | 1,505.27 mi (2,422.51 km) |
| Oulu to Crispiano | 1,718.28 mi (2,765.31 km) |
| Oulu to Crosia | 1,792.50 mi (2,884.75 km) |
| Oulu to Crotone | 1,822.90 mi (2,933.68 km) |
| Oulu to Cuneo | 1,581.87 mi (2,545.77 km) |
| Oulu to Cuorgne | 1,514.82 mi (2,437.86 km) |
| Oulu to Cusano Milanino | 1,479.45 mi (2,380.95 km) |
| Oulu to Cutro | 1,827.36 mi (2,940.85 km) |
| Oulu to Cutrofiano | 1,744.52 mi (2,807.54 km) |
