| Oulu to Castelli Calepio | 1,462.94 mi (2,354.37 km) |
| Oulu to Castelnovo ne' Monti | 1,534.60 mi (2,469.70 km) |
| Oulu to Castelnuovo Berardenga | 1,591.58 mi (2,561.40 km) |
| Oulu to Castelnuovo di Porto | 1,660.42 mi (2,672.19 km) |
| Oulu to Castelnuovo di Verona | 1,463.28 mi (2,354.93 km) |
| Oulu to Castelnuovo Rangone | 1,519.33 mi (2,445.13 km) |
| Oulu to Castelvetrano | 1,957.50 mi (3,150.29 km) |
| Oulu to Castelvetro di Modena | 1,522.41 mi (2,450.09 km) |
| Oulu to Castenaso | 1,514.64 mi (2,437.57 km) |
| Oulu to Castenedolo | 1,467.70 mi (2,362.03 km) |
| Oulu to Castiglion Fiorentino | 1,586.46 mi (2,553.15 km) |
| Oulu to Castiglione del Lago | 1,598.55 mi (2,572.62 km) |
| Oulu to Castiglione delle Stiviere | 1,469.34 mi (2,364.68 km) |
| Oulu to Castrolibero | 1,814.11 mi (2,919.53 km) |
| Oulu to Castrovillari | 1,779.99 mi (2,864.61 km) |
