| Allouez to Butzbach | 4,204.12 mi (6,765.87 km) |
| Allouez to Buxtehude | 4,118.66 mi (6,628.34 km) |
| Allouez to Cadolzburg | 4,323.45 mi (6,957.92 km) |
| Allouez to Calbe | 4,252.79 mi (6,844.21 km) |
| Allouez to Calw | 4,276.80 mi (6,882.85 km) |
| Allouez to Castrop-Rauxel | 4,112.01 mi (6,617.64 km) |
| Allouez to Celle | 4,165.54 mi (6,703.80 km) |
| Allouez to Cham | 4,396.68 mi (7,075.77 km) |
| Allouez to Chemnitz | 4,336.82 mi (6,979.43 km) |
| Allouez to Clausthal-Zellerfeld | 4,207.42 mi (6,771.19 km) |
| Allouez to Cloppenburg | 4,086.95 mi (6,577.31 km) |
| Allouez to Coburg | 4,292.82 mi (6,908.63 km) |
| Allouez to Coesfeld | 4,091.13 mi (6,584.04 km) |
| Allouez to Cologne | 4,123.06 mi (6,635.42 km) |
| Allouez to Coswig | 4,346.82 mi (6,995.54 km) |
