| Nieder-Olm to Butzbach | 41.79 mi (67.25 km) |
| Nieder-Olm to Buxtehude | 254.76 mi (410.00 km) |
| Nieder-Olm to Cadolzburg | 123.23 mi (198.32 km) |
| Nieder-Olm to Calbe | 207.89 mi (334.56 km) |
| Nieder-Olm to Calw | 85.73 mi (137.97 km) |
| Nieder-Olm to Castrop-Rauxel | 119.87 mi (192.90 km) |
| Nieder-Olm to Celle | 204.56 mi (329.21 km) |
| Nieder-Olm to Cham | 204.92 mi (329.78 km) |
| Nieder-Olm to Chemnitz | 217.30 mi (349.71 km) |
| Nieder-Olm to Clausthal-Zellerfeld | 160.69 mi (258.61 km) |
| Nieder-Olm to Cloppenburg | 203.36 mi (327.27 km) |
| Nieder-Olm to Coburg | 125.00 mi (201.16 km) |
| Nieder-Olm to Coesfeld | 148.10 mi (238.35 km) |
| Nieder-Olm to Cologne | 89.85 mi (144.60 km) |
| Nieder-Olm to Coswig | 250.99 mi (403.93 km) |
