| Brown Deer to Oerlinghausen | 4,204.95 mi (6,767.22 km) |
| Brown Deer to Oestrich-Winkel | 4,257.40 mi (6,851.62 km) |
| Brown Deer to Offenburg | 4,315.37 mi (6,944.92 km) |
| Brown Deer to Oftersheim | 4,303.67 mi (6,926.09 km) |
| Brown Deer to Ohrdruf | 4,322.99 mi (6,957.18 km) |
| Brown Deer to Ohringen | 4,344.13 mi (6,991.20 km) |
| Brown Deer to Olbernhau | 4,421.03 mi (7,114.95 km) |
| Brown Deer to Olching | 4,451.80 mi (7,164.48 km) |
| Brown Deer to Oldenburg | 4,144.15 mi (6,669.36 km) |
| Brown Deer to Oldenburg in Holstein | 4,190.66 mi (6,744.21 km) |
| Brown Deer to Olfen | 4,168.92 mi (6,709.22 km) |
| Brown Deer to Olpe | 4,211.86 mi (6,778.33 km) |
| Brown Deer to Olsberg | 4,222.30 mi (6,795.14 km) |
| Brown Deer to Oranienburg | 4,331.25 mi (6,970.48 km) |
| Brown Deer to Ortenberg | 4,281.80 mi (6,890.88 km) |
