| Oulu to Carovigno | 1,708.25 mi (2,749.16 km) |
| Oulu to Carpenedolo | 1,472.61 mi (2,369.94 km) |
| Oulu to Carpi | 1,504.58 mi (2,421.39 km) |
| Oulu to Carrara | 1,562.32 mi (2,514.32 km) |
| Oulu to Carugate | 1,477.11 mi (2,377.17 km) |
| Oulu to Casal di Principe | 1,717.61 mi (2,764.23 km) |
| Oulu to Casale Monferrato | 1,518.13 mi (2,443.19 km) |
| Oulu to Casale sul Sile | 1,430.68 mi (2,302.45 km) |
| Oulu to Casalecchio di Reno | 1,518.93 mi (2,444.48 km) |
| Oulu to Casalgrande | 1,519.93 mi (2,446.10 km) |
| Oulu to Casalmaggiore | 1,497.90 mi (2,410.63 km) |
| Oulu to Casalnuovo di Napoli | 1,722.18 mi (2,771.58 km) |
| Oulu to Casalpusterlengo | 1,496.62 mi (2,408.58 km) |
| Oulu to Casaluce | 1,718.06 mi (2,764.95 km) |
| Oulu to Casamassima | 1,696.81 mi (2,730.75 km) |
