| Pickerington to Oerlinghausen | 4,176.21 mi (6,720.96 km) |
| Pickerington to Oestrich-Winkel | 4,215.38 mi (6,784.00 km) |
| Pickerington to Offenburg | 4,264.20 mi (6,862.56 km) |
| Pickerington to Oftersheim | 4,259.34 mi (6,854.74 km) |
| Pickerington to Ohrdruf | 4,292.26 mi (6,907.73 km) |
| Pickerington to Ohringen | 4,301.02 mi (6,921.82 km) |
| Pickerington to Olbernhau | 4,395.64 mi (7,074.09 km) |
| Pickerington to Olching | 4,407.53 mi (7,093.23 km) |
| Pickerington to Oldenburg | 4,121.56 mi (6,633.01 km) |
| Pickerington to Oldenburg in Holstein | 4,180.80 mi (6,728.36 km) |
| Pickerington to Olfen | 4,135.80 mi (6,655.93 km) |
| Pickerington to Olpe | 4,175.52 mi (6,719.86 km) |
| Pickerington to Olsberg | 4,189.44 mi (6,742.25 km) |
| Pickerington to Oranienburg | 4,317.53 mi (6,948.39 km) |
| Pickerington to Ortenberg | 4,244.36 mi (6,830.63 km) |
