| Olton to Celano | 1,011.14 mi (1,627.28 km) |
| Olton to Cento | 798.60 mi (1,285.22 km) |
| Olton to Cepagatti | 1,013.32 mi (1,630.77 km) |
| Olton to Ceprano | 1,038.60 mi (1,671.46 km) |
| Olton to Cercola | 1,102.49 mi (1,774.28 km) |
| Olton to Cerea | 773.25 mi (1,244.42 km) |
| Olton to Cerese | 764.75 mi (1,230.75 km) |
| Olton to Cerignola | 1,132.66 mi (1,822.84 km) |
| Olton to Cermenate | 676.66 mi (1,088.98 km) |
| Olton to Cernusco sul Naviglio | 694.16 mi (1,117.14 km) |
| Olton to Cerreto Guidi | 835.37 mi (1,344.41 km) |
| Olton to Cerro Maggiore | 677.44 mi (1,090.24 km) |
| Olton to Certaldo | 852.06 mi (1,371.26 km) |
| Olton to Cerveteri | 969.28 mi (1,559.91 km) |
| Olton to Cervia | 858.84 mi (1,382.16 km) |
