| Boerne to Oerlinghausen | 5,294.00 mi (8,519.87 km) |
| Boerne to Oestrich-Winkel | 5,340.52 mi (8,594.73 km) |
| Boerne to Offenburg | 5,393.61 mi (8,680.17 km) |
| Boerne to Oftersheim | 5,385.66 mi (8,667.38 km) |
| Boerne to Ohrdruf | 5,411.37 mi (8,708.76 km) |
| Boerne to Ohringen | 5,426.80 mi (8,733.59 km) |
| Boerne to Olbernhau | 5,511.62 mi (8,870.09 km) |
| Boerne to Olching | 5,534.00 mi (8,906.12 km) |
| Boerne to Oldenburg | 5,235.43 mi (8,425.60 km) |
| Boerne to Oldenburg in Holstein | 5,285.82 mi (8,506.70 km) |
| Boerne to Olfen | 5,256.10 mi (8,458.87 km) |
| Boerne to Olpe | 5,297.66 mi (8,525.76 km) |
| Boerne to Olsberg | 5,309.66 mi (8,545.07 km) |
| Boerne to Oranienburg | 5,425.53 mi (8,731.55 km) |
| Boerne to Ortenberg | 5,367.17 mi (8,637.63 km) |
