| Plankstadt to Oerlinghausen | 177.83 mi (286.19 km) |
| Plankstadt to Oestrich-Winkel | 49.62 mi (79.86 km) |
| Plankstadt to Offenburg | 70.70 mi (113.78 km) |
| Plankstadt to Oftersheim | 1.63 mi (2.62 km) |
| Plankstadt to Ohrdruf | 137.13 mi (220.69 km) |
| Plankstadt to Ohringen | 42.94 mi (69.11 km) |
| Plankstadt to Olbernhau | 227.95 mi (366.85 km) |
| Plankstadt to Olching | 148.82 mi (239.50 km) |
| Plankstadt to Oldenburg | 259.66 mi (417.88 km) |
| Plankstadt to Oldenburg in Holstein | 352.77 mi (567.73 km) |
| Plankstadt to Olfen | 169.10 mi (272.13 km) |
| Plankstadt to Olpe | 117.10 mi (188.46 km) |
| Plankstadt to Olsberg | 135.28 mi (217.72 km) |
| Plankstadt to Oranienburg | 307.37 mi (494.66 km) |
| Plankstadt to Ortenberg | 69.60 mi (112.01 km) |
