| Keszthely to Oerlinghausen | 526.63 mi (847.53 km) |
| Keszthely to Oestrich-Winkel | 479.01 mi (770.90 km) |
| Keszthely to Offenburg | 449.07 mi (722.71 km) |
| Keszthely to Oftersheim | 438.16 mi (705.15 km) |
| Keszthely to Ohrdruf | 407.83 mi (656.34 km) |
| Keszthely to Ohringen | 395.47 mi (636.44 km) |
| Keszthely to Olbernhau | 322.93 mi (519.70 km) |
| Keszthely to Olching | 293.96 mi (473.09 km) |
| Keszthely to Oldenburg | 595.13 mi (957.77 km) |
| Keszthely to Oldenburg in Holstein | 590.07 mi (949.63 km) |
| Keszthely to Olfen | 560.30 mi (901.72 km) |
| Keszthely to Olpe | 518.05 mi (833.72 km) |
| Keszthely to Olsberg | 506.98 mi (815.91 km) |
| Keszthely to Oranienburg | 450.42 mi (724.89 km) |
| Keszthely to Ortenberg | 448.76 mi (722.20 km) |
