| Granbury to Oerlinghausen | 5,113.57 mi (8,229.49 km) |
| Granbury to Oestrich-Winkel | 5,162.47 mi (8,308.20 km) |
| Granbury to Offenburg | 5,217.35 mi (8,396.51 km) |
| Granbury to Oftersheim | 5,208.05 mi (8,381.55 km) |
| Granbury to Ohrdruf | 5,231.25 mi (8,418.88 km) |
| Granbury to Ohringen | 5,248.95 mi (8,447.37 km) |
| Granbury to Olbernhau | 5,330.53 mi (8,578.66 km) |
| Granbury to Olching | 5,356.36 mi (8,620.23 km) |
| Granbury to Oldenburg | 5,053.98 mi (8,133.59 km) |
| Granbury to Oldenburg in Holstein | 5,102.35 mi (8,211.43 km) |
| Granbury to Olfen | 5,076.44 mi (8,169.74 km) |
| Granbury to Olpe | 5,118.57 mi (8,237.54 km) |
| Granbury to Olsberg | 5,129.94 mi (8,255.85 km) |
| Granbury to Oranienburg | 5,242.58 mi (8,437.12 km) |
| Granbury to Ortenberg | 5,188.27 mi (8,349.71 km) |
