| Gross-Gerau to Oschersleben | 188.33 mi (303.08 km) |
| Gross-Gerau to Osnabruck | 164.43 mi (264.62 km) |
| Gross-Gerau to Ostbevern | 149.07 mi (239.91 km) |
| Gross-Gerau to Osterburg | 243.28 mi (391.53 km) |
| Gross-Gerau to Ostercappeln | 168.31 mi (270.86 km) |
| Gross-Gerau to Osterhofen | 220.87 mi (355.46 km) |
| Gross-Gerau to Osterholz-Scharmbeck | 228.24 mi (367.31 km) |
| Gross-Gerau to Osternienburg | 201.48 mi (324.26 km) |
| Gross-Gerau to Osterode | 146.89 mi (236.39 km) |
| Gross-Gerau to Osterwieck | 171.60 mi (276.16 km) |
| Gross-Gerau to Ostfildern | 88.88 mi (143.04 km) |
| Gross-Gerau to Osthofen | 16.18 mi (26.04 km) |
| Gross-Gerau to Ostrhauderfehn | 224.05 mi (360.58 km) |
| Gross-Gerau to Ostringen | 49.40 mi (79.50 km) |
| Gross-Gerau to Oststeinbek | 260.57 mi (419.35 km) |
