| Brownsburg to Oerlinghausen | 4,313.21 mi (6,941.44 km) |
| Brownsburg to Oestrich-Winkel | 4,357.38 mi (7,012.53 km) |
| Brownsburg to Offenburg | 4,409.57 mi (7,096.52 km) |
| Brownsburg to Oftersheim | 4,402.24 mi (7,084.72 km) |
| Brownsburg to Ohrdruf | 4,430.15 mi (7,129.64 km) |
| Brownsburg to Ohringen | 4,443.52 mi (7,151.16 km) |
| Brownsburg to Olbernhau | 4,531.62 mi (7,292.93 km) |
| Brownsburg to Olching | 4,550.57 mi (7,323.44 km) |
| Brownsburg to Oldenburg | 4,256.13 mi (6,849.59 km) |
| Brownsburg to Oldenburg in Holstein | 4,310.45 mi (6,937.01 km) |
| Brownsburg to Olfen | 4,274.41 mi (6,878.99 km) |
| Brownsburg to Olpe | 4,315.38 mi (6,944.93 km) |
| Brownsburg to Olsberg | 4,328.01 mi (6,965.27 km) |
| Brownsburg to Oranienburg | 4,448.88 mi (7,159.79 km) |
| Brownsburg to Ortenberg | 4,384.70 mi (7,056.50 km) |
