| Olean to Carmignano | 4,285.17 mi (6,896.32 km) |
| Olean to Carovigno | 4,687.05 mi (7,543.08 km) |
| Olean to Carpenedolo | 4,203.66 mi (6,765.14 km) |
| Olean to Carpi | 4,243.66 mi (6,829.52 km) |
| Olean to Carrara | 4,236.98 mi (6,818.75 km) |
| Olean to Carugate | 4,151.58 mi (6,681.33 km) |
| Olean to Casal di Principe | 4,525.29 mi (7,282.75 km) |
| Olean to Casale Monferrato | 4,130.00 mi (6,646.60 km) |
| Olean to Casale sul Sile | 4,272.90 mi (6,876.57 km) |
| Olean to Casalecchio di Reno | 4,271.39 mi (6,874.13 km) |
| Olean to Casalgrande | 4,244.83 mi (6,831.39 km) |
| Olean to Casalmaggiore | 4,216.80 mi (6,786.28 km) |
| Olean to Casalnuovo di Napoli | 4,538.50 mi (7,304.01 km) |
| Olean to Casalpusterlengo | 4,178.09 mi (6,723.99 km) |
| Olean to Casaluce | 4,528.79 mi (7,288.38 km) |
