| Pefki to Oberkirch | 1,067.40 mi (1,717.81 km) |
| Pefki to Obernburg am Main | 1,088.50 mi (1,751.77 km) |
| Pefki to Obernkirchen | 1,209.18 mi (1,945.98 km) |
| Pefki to Oberschleissheim | 933.21 mi (1,501.86 km) |
| Pefki to Oberstdorf | 939.56 mi (1,512.07 km) |
| Pefki to Obertraubling | 949.99 mi (1,528.86 km) |
| Pefki to Obertshausen | 1,109.19 mi (1,785.07 km) |
| Pefki to Oberursel | 1,123.94 mi (1,808.80 km) |
| Pefki to Ochsenfurt | 1,049.54 mi (1,689.08 km) |
| Pefki to Ochsenhausen | 980.37 mi (1,577.76 km) |
| Pefki to Ochtrup | 1,262.53 mi (2,031.84 km) |
| Pefki to Odenthal | 1,209.88 mi (1,947.11 km) |
| Pefki to Oelde | 1,215.43 mi (1,956.05 km) |
| Pefki to Oelsnitz | 1,026.74 mi (1,652.38 km) |
| Pefki to Oer-Erkenschwick | 1,233.83 mi (1,985.65 km) |
