| Oulu to Castelfiorentino | 1,581.93 mi (2,545.88 km) |
| Oulu to Castelfranco di Sopra | 1,572.45 mi (2,530.62 km) |
| Oulu to Castelfranco di Sotto | 1,578.26 mi (2,539.96 km) |
| Oulu to Castelfranco Emilia | 1,514.58 mi (2,437.47 km) |
| Oulu to Castelfranco Veneto | 1,431.57 mi (2,303.89 km) |
| Oulu to Castellabate | 1,759.58 mi (2,831.77 km) |
| Oulu to Castellammare del Golfo | 1,933.32 mi (3,111.38 km) |
| Oulu to Castellammare di Stabia | 1,735.93 mi (2,793.71 km) |
| Oulu to Castellamonte | 1,514.27 mi (2,436.98 km) |
| Oulu to Castellana Grotte | 1,699.42 mi (2,734.96 km) |
| Oulu to Castellaneta | 1,718.31 mi (2,765.36 km) |
| Oulu to Castellanza | 1,479.58 mi (2,381.15 km) |
| Oulu to Castellarano | 1,520.33 mi (2,446.73 km) |
| Oulu to Castelleone | 1,487.19 mi (2,393.41 km) |
| Oulu to Castelletto sopra Ticino | 1,477.35 mi (2,377.57 km) |
