| Onalaska to Carmona | 4,300.01 mi (6,920.20 km) |
| Onalaska to Cartagena | 4,499.27 mi (7,240.88 km) |
| Onalaska to Cartama | 4,375.40 mi (7,041.53 km) |
| Onalaska to Cartaya | 4,239.54 mi (6,822.88 km) |
| Onalaska to Caspe | 4,389.02 mi (7,063.45 km) |
| Onalaska to Cassa de la Selva | 4,482.00 mi (7,213.07 km) |
| Onalaska to Castalla | 4,471.03 mi (7,195.42 km) |
| Onalaska to Castellbisbal | 4,462.67 mi (7,181.97 km) |
| Onalaska to Castelldefels | 4,470.66 mi (7,194.83 km) |
| Onalaska to Castello de Ampurias | 4,474.68 mi (7,201.30 km) |
| Onalaska to Castellon de la Plana | 4,440.58 mi (7,146.43 km) |
| Onalaska to Castilleja de la Cuesta | 4,284.79 mi (6,895.70 km) |
| Onalaska to Catarroja | 4,448.88 mi (7,159.79 km) |
| Onalaska to Catral | 4,483.51 mi (7,215.51 km) |
| Onalaska to Caudete | 4,452.88 mi (7,166.22 km) |
