| Corning to Oerlinghausen | 3,852.87 mi (6,200.60 km) |
| Corning to Oestrich-Winkel | 3,888.67 mi (6,258.21 km) |
| Corning to Offenburg | 3,935.42 mi (6,333.44 km) |
| Corning to Oftersheim | 3,932.03 mi (6,328.00 km) |
| Corning to Ohrdruf | 3,968.21 mi (6,386.21 km) |
| Corning to Ohringen | 3,973.93 mi (6,395.42 km) |
| Corning to Olbernhau | 4,072.83 mi (6,554.59 km) |
| Corning to Olching | 4,080.04 mi (6,566.18 km) |
| Corning to Oldenburg | 3,800.04 mi (6,115.57 km) |
| Corning to Oldenburg in Holstein | 3,863.01 mi (6,216.92 km) |
| Corning to Olfen | 3,811.39 mi (6,133.84 km) |
| Corning to Olpe | 3,850.23 mi (6,196.35 km) |
| Corning to Olsberg | 3,865.00 mi (6,220.12 km) |
| Corning to Oranienburg | 3,998.24 mi (6,434.55 km) |
| Corning to Ortenberg | 3,918.69 mi (6,306.52 km) |