| Pefki to Oerlinghausen | 1,206.79 mi (1,942.14 km) |
| Pefki to Oestrich-Winkel | 1,133.76 mi (1,824.61 km) |
| Pefki to Offenburg | 1,070.17 mi (1,722.27 km) |
| Pefki to Oftersheim | 1,085.66 mi (1,747.19 km) |
| Pefki to Ohrdruf | 1,088.71 mi (1,752.12 km) |
| Pefki to Ohringen | 1,046.82 mi (1,684.69 km) |
| Pefki to Olbernhau | 1,010.26 mi (1,625.86 km) |
| Pefki to Olching | 939.09 mi (1,511.32 km) |
| Pefki to Oldenburg | 1,279.62 mi (2,059.36 km) |
| Pefki to Oldenburg in Holstein | 1,275.95 mi (2,053.44 km) |
| Pefki to Olfen | 1,233.22 mi (1,984.67 km) |
| Pefki to Olpe | 1,185.99 mi (1,908.66 km) |
| Pefki to Olsberg | 1,181.66 mi (1,901.71 km) |
| Pefki to Oranienburg | 1,134.06 mi (1,825.10 km) |
| Pefki to Ortenberg | 1,115.74 mi (1,795.61 km) |
