| Gharghur to Oerlinghausen | 1,144.29 mi (1,841.56 km) |
| Gharghur to Oestrich-Winkel | 1,024.86 mi (1,649.35 km) |
| Gharghur to Offenburg | 927.79 mi (1,493.14 km) |
| Gharghur to Oftersheim | 975.00 mi (1,569.11 km) |
| Gharghur to Ohrdruf | 1,046.23 mi (1,683.75 km) |
| Gharghur to Ohringen | 950.74 mi (1,530.07 km) |
| Gharghur to Olbernhau | 1,020.14 mi (1,641.76 km) |
| Gharghur to Olching | 863.11 mi (1,389.04 km) |
| Gharghur to Oldenburg | 1,227.66 mi (1,975.74 km) |
| Gharghur to Oldenburg in Holstein | 1,281.12 mi (2,061.76 km) |
| Gharghur to Olfen | 1,145.34 mi (1,843.25 km) |
| Gharghur to Olpe | 1,093.25 mi (1,759.42 km) |
| Gharghur to Olsberg | 1,105.92 mi (1,779.80 km) |
| Gharghur to Oranienburg | 1,164.37 mi (1,873.87 km) |
| Gharghur to Ortenberg | 1,032.90 mi (1,662.30 km) |
