| Donauworth to Oegstgeest | 367.98 mi (592.21 km) |
| Donauworth to Oirschot | 311.06 mi (500.60 km) |
| Donauworth to Oisterwijk | 317.93 mi (511.66 km) |
| Donauworth to Oldebroek | 336.53 mi (541.60 km) |
| Donauworth to Oldenzaal | 302.08 mi (486.16 km) |
| Donauworth to Ommen | 326.19 mi (524.95 km) |
| Donauworth to Oosterend | 361.84 mi (582.32 km) |
| Donauworth to Oosterhout | 332.27 mi (534.74 km) |
| Donauworth to Oosterwolde | 355.60 mi (572.28 km) |
| Donauworth to Oostzaan | 365.78 mi (588.67 km) |
| Donauworth to Opmeer | 376.49 mi (605.90 km) |
| Donauworth to Oss | 315.16 mi (507.21 km) |
| Donauworth to Oud-Beijerland | 355.17 mi (571.58 km) |
| Donauworth to Oudenbosch | 341.97 mi (550.35 km) |
| Donauworth to Oudewater | 347.54 mi (559.30 km) |
