| Terralba to Oerlinghausen | 846.19 mi (1,361.81 km) |
| Terralba to Oestrich-Winkel | 710.98 mi (1,144.21 km) |
| Terralba to Offenburg | 605.36 mi (974.23 km) |
| Terralba to Oftersheim | 666.82 mi (1,073.14 km) |
| Terralba to Ohrdruf | 774.17 mi (1,245.91 km) |
| Terralba to Ohringen | 656.40 mi (1,056.37 km) |
| Terralba to Olbernhau | 789.77 mi (1,271.01 km) |
| Terralba to Olching | 600.80 mi (966.90 km) |
| Terralba to Oldenburg | 927.74 mi (1,493.05 km) |
| Terralba to Oldenburg in Holstein | 1,012.81 mi (1,629.97 km) |
| Terralba to Olfen | 831.08 mi (1,337.49 km) |
| Terralba to Olpe | 781.51 mi (1,257.71 km) |
| Terralba to Olsberg | 803.61 mi (1,293.28 km) |
| Terralba to Oranienburg | 926.57 mi (1,491.17 km) |
| Terralba to Ortenberg | 735.16 mi (1,183.13 km) |
