| Reisterstown to Olivares | 3,724.26 mi (5,993.62 km) |
| Reisterstown to Olivenza | 3,640.30 mi (5,858.50 km) |
| Reisterstown to Olot | 3,993.42 mi (6,426.78 km) |
| Reisterstown to Onate | 3,742.39 mi (6,022.80 km) |
| Reisterstown to Onda | 3,932.81 mi (6,329.24 km) |
| Reisterstown to Onteniente | 3,951.69 mi (6,359.63 km) |
| Reisterstown to Orihuela | 3,958.42 mi (6,370.46 km) |
| Reisterstown to Osuna | 3,781.70 mi (6,086.06 km) |
| Reisterstown to Ourense | 3,505.09 mi (5,640.90 km) |
| Reisterstown to Oviedo | 3,574.26 mi (5,752.21 km) |
| Reisterstown to Paiporta | 3,941.92 mi (6,343.91 km) |
| Reisterstown to Pajara | 3,604.85 mi (5,801.44 km) |
| Reisterstown to Palafolls | 4,021.26 mi (6,471.59 km) |
| Reisterstown to Palafrugell | 4,032.53 mi (6,489.73 km) |
| Reisterstown to Palamos | 4,033.19 mi (6,490.79 km) |
