| Olton to Castrovillari | 1,219.79 mi (1,963.06 km) |
| Olton to Catania | 1,315.07 mi (2,116.41 km) |
| Olton to Catanzaro | 1,282.93 mi (2,064.68 km) |
| Olton to Cattolica | 886.35 mi (1,426.45 km) |
| Olton to Cava de' Tirreni | 1,122.86 mi (1,807.07 km) |
| Olton to Cavallino | 1,261.47 mi (2,030.15 km) |
| Olton to Cavarzere | 806.44 mi (1,297.85 km) |
| Olton to Cave | 1,005.49 mi (1,618.17 km) |
| Olton to Cavriago | 775.27 mi (1,247.68 km) |
| Olton to Cavriglia | 867.88 mi (1,396.71 km) |
| Olton to Cazzago San Martino | 713.88 mi (1,148.89 km) |
| Olton to Ceccano | 1,031.82 mi (1,660.55 km) |
| Olton to Cecina | 848.14 mi (1,364.95 km) |
| Olton to Cefalu | 1,252.43 mi (2,015.60 km) |
| Olton to Ceglie Messapico | 1,219.81 mi (1,963.10 km) |
