| Owings Mills to Oststeinbek | 3,983.59 mi (6,410.96 km) |
| Owings Mills to Ottendorf-Okrilla | 4,193.76 mi (6,749.21 km) |
| Owings Mills to Ottersberg | 3,957.63 mi (6,369.19 km) |
| Owings Mills to Ottobrunn | 4,208.40 mi (6,772.76 km) |
| Owings Mills to Ottweiler | 3,984.73 mi (6,412.81 km) |
| Owings Mills to Overath | 3,945.31 mi (6,349.36 km) |
| Owings Mills to Oyten | 3,953.68 mi (6,362.83 km) |
| Owings Mills to Paderborn | 3,981.10 mi (6,406.97 km) |
| Owings Mills to Papenburg | 3,891.73 mi (6,263.13 km) |
| Owings Mills to Parchim | 4,049.56 mi (6,517.14 km) |
| Owings Mills to Pasewalk | 4,127.24 mi (6,642.15 km) |
| Owings Mills to Passau | 4,264.52 mi (6,863.08 km) |
| Owings Mills to Pattensen | 4,004.71 mi (6,444.96 km) |
| Owings Mills to Pegnitz | 4,149.70 mi (6,678.30 km) |
| Owings Mills to Peine | 4,021.10 mi (6,471.33 km) |
