| Glastonbury to Octeville | 115.23 mi (185.44 km) |
| Glastonbury to Oignies | 253.51 mi (407.99 km) |
| Glastonbury to Oissel | 209.37 mi (336.94 km) |
| Glastonbury to Olivet | 307.08 mi (494.19 km) |
| Glastonbury to Ollioules | 683.18 mi (1,099.47 km) |
| Glastonbury to Olonne-sur-Mer | 321.54 mi (517.47 km) |
| Glastonbury to Oloron-Sainte-Marie | 558.37 mi (898.60 km) |
| Glastonbury to Onet Village | 529.21 mi (851.68 km) |
| Glastonbury to Onnaing | 280.70 mi (451.74 km) |
| Glastonbury to Orange | 597.05 mi (960.86 km) |
| Glastonbury to Orchies | 264.18 mi (425.16 km) |
| Glastonbury to Orleans | 305.31 mi (491.36 km) |
| Glastonbury to Orly | 281.25 mi (452.62 km) |
| Glastonbury to Ormesson-sur-Marne | 284.74 mi (458.24 km) |
| Glastonbury to Orsay | 275.95 mi (444.10 km) |