| Onalaska to Cervignano del Friuli | 4,713.36 mi (7,585.42 km) |
| Onalaska to Cesa | 4,972.18 mi (8,001.96 km) |
| Onalaska to Cesano Maderno | 4,567.67 mi (7,350.96 km) |
| Onalaska to Cesena | 4,750.05 mi (7,644.47 km) |
| Onalaska to Cesenatico | 4,752.85 mi (7,648.98 km) |
| Onalaska to Cetraro | 5,107.65 mi (8,219.96 km) |
| Onalaska to Cherasco | 4,561.88 mi (7,341.63 km) |
| Onalaska to Chiampo | 4,650.73 mi (7,484.62 km) |
| Onalaska to Chiaravalle | 4,815.33 mi (7,749.53 km) |
| Onalaska to Chiari | 4,600.12 mi (7,403.18 km) |
| Onalaska to Chiavari | 4,632.42 mi (7,455.16 km) |
| Onalaska to Chieri | 4,544.44 mi (7,313.57 km) |
| Onalaska to Chieti | 4,904.63 mi (7,893.24 km) |
| Onalaska to Chioggia | 4,702.26 mi (7,567.56 km) |
| Onalaska to Chiusi | 4,790.17 mi (7,709.04 km) |
