| Onalaska to Butzbach | 4,345.00 mi (6,992.60 km) |
| Onalaska to Buxtehude | 4,254.72 mi (6,847.31 km) |
| Onalaska to Cadolzburg | 4,464.21 mi (7,184.46 km) |
| Onalaska to Calbe | 4,389.76 mi (7,064.63 km) |
| Onalaska to Calw | 4,419.80 mi (7,112.98 km) |
| Onalaska to Castrop-Rauxel | 4,252.23 mi (6,843.30 km) |
| Onalaska to Celle | 4,302.59 mi (6,924.34 km) |
| Onalaska to Cham | 4,536.57 mi (7,300.91 km) |
| Onalaska to Chemnitz | 4,474.47 mi (7,200.96 km) |
| Onalaska to Clausthal-Zellerfeld | 4,345.44 mi (6,993.32 km) |
| Onalaska to Cloppenburg | 4,224.92 mi (6,799.36 km) |
| Onalaska to Coburg | 4,432.49 mi (7,133.40 km) |
| Onalaska to Coesfeld | 4,230.89 mi (6,808.95 km) |
| Onalaska to Cologne | 4,264.31 mi (6,862.74 km) |
| Onalaska to Coswig | 4,483.63 mi (7,215.70 km) |
