| Whittlesey to Oberkirch | 454.92 mi (732.12 km) |
| Whittlesey to Obernburg am Main | 442.73 mi (712.51 km) |
| Whittlesey to Obernkirchen | 390.00 mi (627.65 km) |
| Whittlesey to Oberschleissheim | 593.89 mi (955.77 km) |
| Whittlesey to Oberstdorf | 582.49 mi (937.42 km) |
| Whittlesey to Obertraubling | 590.97 mi (951.08 km) |
| Whittlesey to Obertshausen | 423.28 mi (681.20 km) |
| Whittlesey to Oberursel | 408.87 mi (658.01 km) |
| Whittlesey to Ochsenfurt | 485.30 mi (781.02 km) |
| Whittlesey to Ochsenhausen | 541.23 mi (871.03 km) |
| Whittlesey to Ochtrup | 309.55 mi (498.18 km) |
| Whittlesey to Odenthal | 326.92 mi (526.13 km) |
| Whittlesey to Oelde | 354.03 mi (569.75 km) |
| Whittlesey to Oelsnitz | 548.58 mi (882.85 km) |
| Whittlesey to Oer-Erkenschwick | 319.44 mi (514.08 km) |
