| Brownsburg to Olivares | 4,179.00 mi (6,725.46 km) |
| Brownsburg to Olivenza | 4,091.18 mi (6,584.12 km) |
| Brownsburg to Olot | 4,408.92 mi (7,095.46 km) |
| Brownsburg to Onate | 4,163.24 mi (6,700.09 km) |
| Brownsburg to Onda | 4,365.00 mi (7,024.79 km) |
| Brownsburg to Onteniente | 4,389.89 mi (7,064.85 km) |
| Brownsburg to Orihuela | 4,400.60 mi (7,082.09 km) |
| Brownsburg to Osuna | 4,235.35 mi (6,816.14 km) |
| Brownsburg to Ourense | 3,939.52 mi (6,340.04 km) |
| Brownsburg to Oviedo | 3,999.66 mi (6,436.83 km) |
| Brownsburg to Paiporta | 4,376.95 mi (7,044.02 km) |
| Brownsburg to Pajara | 4,100.50 mi (6,599.12 km) |
| Brownsburg to Palafolls | 4,438.84 mi (7,143.62 km) |
| Brownsburg to Palafrugell | 4,447.97 mi (7,158.31 km) |
| Brownsburg to Palamos | 4,449.06 mi (7,160.08 km) |
