| Olsberg to Carovigno | 856.15 mi (1,377.84 km) |
| Olsberg to Carpenedolo | 423.03 mi (680.79 km) |
| Olsberg to Carpi | 466.98 mi (751.54 km) |
| Olsberg to Carrara | 507.92 mi (817.42 km) |
| Olsberg to Carugate | 402.62 mi (647.96 km) |
| Olsberg to Casal di Principe | 762.83 mi (1,227.66 km) |
| Olsberg to Casale Monferrato | 429.47 mi (691.17 km) |
| Olsberg to Casale sul Sile | 434.51 mi (699.28 km) |
| Olsberg to Casalecchio di Reno | 491.74 mi (791.38 km) |
| Olsberg to Casalgrande | 478.92 mi (770.74 km) |
| Olsberg to Casalmaggiore | 448.60 mi (721.95 km) |
| Olsberg to Casalnuovo di Napoli | 773.04 mi (1,244.09 km) |
| Olsberg to Casalpusterlengo | 429.81 mi (691.70 km) |
| Olsberg to Casaluce | 765.05 mi (1,231.23 km) |
| Olsberg to Casamassima | 822.94 mi (1,324.40 km) |
