| Garrel to Oestrich-Winkel | 204.39 mi (328.93 km) |
| Garrel to Offenburg | 310.35 mi (499.46 km) |
| Garrel to Oftersheim | 249.05 mi (400.81 km) |
| Garrel to Ohrdruf | 187.02 mi (300.98 km) |
| Garrel to Ohringen | 267.42 mi (430.37 km) |
| Garrel to Olbernhau | 276.43 mi (444.87 km) |
| Garrel to Olching | 358.98 mi (577.72 km) |
| Garrel to Oldenburg | 15.04 mi (24.20 km) |
| Garrel to Oldenburg in Holstein | 149.34 mi (240.34 km) |
| Garrel to Olfen | 89.95 mi (144.76 km) |
| Garrel to Olpe | 134.39 mi (216.27 km) |
| Garrel to Olsberg | 112.79 mi (181.52 km) |
| Garrel to Oranienburg | 217.83 mi (350.57 km) |
| Garrel to Ortenberg | 185.14 mi (297.95 km) |
| Garrel to Oschatz | 244.02 mi (392.70 km) |
