| River Grove to Butzbach | 4,319.70 mi (6,951.88 km) |
| River Grove to Buxtehude | 4,241.67 mi (6,826.30 km) |
| River Grove to Cadolzburg | 4,439.09 mi (7,144.02 km) |
| River Grove to Calbe | 4,374.36 mi (7,039.86 km) |
| River Grove to Calw | 4,388.71 mi (7,062.95 km) |
| River Grove to Castrop-Rauxel | 4,228.78 mi (6,805.56 km) |
| River Grove to Celle | 4,287.09 mi (6,899.41 km) |
| River Grove to Cham | 4,513.62 mi (7,263.98 km) |
| River Grove to Chemnitz | 4,457.29 mi (7,173.31 km) |
| River Grove to Clausthal-Zellerfeld | 4,327.48 mi (6,964.41 km) |
| River Grove to Cloppenburg | 4,207.22 mi (6,770.86 km) |
| River Grove to Coburg | 4,410.26 mi (7,097.63 km) |
| River Grove to Coesfeld | 4,208.65 mi (6,773.17 km) |
| River Grove to Cologne | 4,238.13 mi (6,820.61 km) |
| River Grove to Coswig | 4,468.52 mi (7,191.39 km) |
