| Glastonbury to Oberkirch | 513.34 mi (826.14 km) |
| Glastonbury to Obernburg am Main | 528.27 mi (850.17 km) |
| Glastonbury to Obernkirchen | 511.84 mi (823.73 km) |
| Glastonbury to Oberschleissheim | 667.63 mi (1,074.44 km) |
| Glastonbury to Oberstdorf | 638.97 mi (1,028.31 km) |
| Glastonbury to Obertraubling | 675.85 mi (1,087.67 km) |
| Glastonbury to Obertshausen | 511.27 mi (822.81 km) |
| Glastonbury to Oberursel | 498.16 mi (801.71 km) |
| Glastonbury to Ochsenfurt | 571.57 mi (919.85 km) |
| Glastonbury to Ochsenhausen | 604.48 mi (972.82 km) |
| Glastonbury to Ochtrup | 430.23 mi (692.38 km) |
| Glastonbury to Odenthal | 426.38 mi (686.19 km) |
| Glastonbury to Oelde | 469.32 mi (755.29 km) |
| Glastonbury to Oelsnitz | 650.91 mi (1,047.54 km) |
| Glastonbury to Oer-Erkenschwick | 430.60 mi (692.98 km) |
