| Oroville to Cortona | 6,024.51 mi (9,695.52 km) |
| Oroville to Cosenza | 6,375.05 mi (10,259.65 km) |
| Oroville to Cossato | 5,786.35 mi (9,312.23 km) |
| Oroville to Costa Volpino | 5,826.46 mi (9,376.77 km) |
| Oroville to Creazzo | 5,881.55 mi (9,465.45 km) |
| Oroville to Crema | 5,840.86 mi (9,399.95 km) |
| Oroville to Cremona | 5,863.88 mi (9,437.00 km) |
| Oroville to Crevalcore | 5,918.80 mi (9,525.39 km) |
| Oroville to Crispiano | 6,324.72 mi (10,178.66 km) |
| Oroville to Crosia | 6,373.49 mi (10,257.14 km) |
| Oroville to Crotone | 6,411.76 mi (10,318.73 km) |
| Oroville to Cuneo | 5,833.74 mi (9,388.50 km) |
| Oroville to Cuorgne | 5,781.13 mi (9,303.83 km) |
| Oroville to Cusano Milanino | 5,816.41 mi (9,360.60 km) |
| Oroville to Cutro | 6,411.08 mi (10,317.64 km) |
