| Storrs to Oberkirch | 3,757.28 mi (6,046.76 km) |
| Storrs to Obernburg am Main | 3,762.09 mi (6,054.50 km) |
| Storrs to Obernkirchen | 3,692.28 mi (5,942.15 km) |
| Storrs to Oberschleissheim | 3,909.17 mi (6,291.20 km) |
| Storrs to Oberstdorf | 3,882.72 mi (6,248.63 km) |
| Storrs to Obertraubling | 3,910.80 mi (6,293.83 km) |
| Storrs to Obertshausen | 3,743.07 mi (6,023.89 km) |
| Storrs to Oberursel | 3,728.82 mi (6,000.95 km) |
| Storrs to Ochsenfurt | 3,805.04 mi (6,123.63 km) |
| Storrs to Ochsenhausen | 3,848.28 mi (6,193.21 km) |
| Storrs to Ochtrup | 3,618.77 mi (5,823.84 km) |
| Storrs to Odenthal | 3,647.11 mi (5,869.46 km) |
| Storrs to Oelde | 3,666.34 mi (5,900.41 km) |
| Storrs to Oelsnitz | 3,865.48 mi (6,220.89 km) |
| Storrs to Oer-Erkenschwick | 3,636.06 mi (5,851.67 km) |
