| Brenham to Oerlinghausen | 5,188.37 mi (8,349.87 km) |
| Brenham to Oestrich-Winkel | 5,231.71 mi (8,419.62 km) |
| Brenham to Offenburg | 5,282.64 mi (8,501.59 km) |
| Brenham to Oftersheim | 5,276.29 mi (8,491.37 km) |
| Brenham to Ohrdruf | 5,305.25 mi (8,537.98 km) |
| Brenham to Ohringen | 5,317.71 mi (8,558.02 km) |
| Brenham to Olbernhau | 5,406.81 mi (8,701.42 km) |
| Brenham to Olching | 5,424.60 mi (8,730.05 km) |
| Brenham to Oldenburg | 5,131.30 mi (8,258.03 km) |
| Brenham to Oldenburg in Holstein | 5,184.89 mi (8,344.28 km) |
| Brenham to Olfen | 5,149.42 mi (8,287.19 km) |
| Brenham to Olpe | 5,190.20 mi (8,352.82 km) |
| Brenham to Olsberg | 5,203.04 mi (8,373.48 km) |
| Brenham to Oranienburg | 5,323.66 mi (8,567.60 km) |
| Brenham to Ortenberg | 5,259.44 mi (8,464.25 km) |
