| Olney to Cervignano del Friuli | 4,375.32 mi (7,041.39 km) |
| Olney to Cesa | 4,586.88 mi (7,381.86 km) |
| Olney to Cesano Maderno | 4,204.47 mi (6,766.44 km) |
| Olney to Cesena | 4,387.03 mi (7,060.25 km) |
| Olney to Cesenatico | 4,391.36 mi (7,067.22 km) |
| Olney to Cetraro | 4,717.92 mi (7,592.76 km) |
| Olney to Cherasco | 4,180.51 mi (6,727.88 km) |
| Olney to Chiampo | 4,298.18 mi (6,917.26 km) |
| Olney to Chiaravalle | 4,452.65 mi (7,165.85 km) |
| Olney to Chiari | 4,239.60 mi (6,822.97 km) |
| Olney to Chiavari | 4,255.18 mi (6,848.04 km) |
| Olney to Chieri | 4,167.03 mi (6,706.19 km) |
| Olney to Chieti | 4,533.42 mi (7,295.83 km) |
| Olney to Chioggia | 4,351.50 mi (7,003.06 km) |
| Olney to Chiusi | 4,413.17 mi (7,102.32 km) |
