| Grabels to Oestrich-Winkel | 481.47 mi (774.86 km) |
| Grabels to Offenburg | 387.27 mi (623.25 km) |
| Grabels to Oftersheim | 455.92 mi (733.72 km) |
| Grabels to Ohrdruf | 592.56 mi (953.64 km) |
| Grabels to Ohringen | 469.60 mi (755.74 km) |
| Grabels to Olbernhau | 659.04 mi (1,060.62 km) |
| Grabels to Olching | 478.52 mi (770.11 km) |
| Grabels to Oldenburg | 686.27 mi (1,104.45 km) |
| Grabels to Oldenburg in Holstein | 802.03 mi (1,290.75 km) |
| Grabels to Olfen | 581.66 mi (936.09 km) |
| Grabels to Olpe | 542.78 mi (873.53 km) |
| Grabels to Olsberg | 574.98 mi (925.33 km) |
| Grabels to Oranienburg | 763.24 mi (1,228.32 km) |
| Grabels to Ortenberg | 525.11 mi (845.08 km) |
| Grabels to Oschatz | 683.30 mi (1,099.66 km) |
