| Sigulda to Octeville | 1,199.47 mi (1,930.36 km) |
| Sigulda to Oignies | 998.57 mi (1,607.05 km) |
| Sigulda to Oissel | 1,113.04 mi (1,791.26 km) |
| Sigulda to Olivet | 1,150.73 mi (1,851.93 km) |
| Sigulda to Ollioules | 1,274.25 mi (2,050.71 km) |
| Sigulda to Olonne-sur-Mer | 1,339.73 mi (2,156.09 km) |
| Sigulda to Oloron-Sainte-Marie | 1,467.91 mi (2,362.37 km) |
| Sigulda to Onet Village | 1,303.53 mi (2,097.83 km) |
| Sigulda to Onnaing | 980.45 mi (1,577.88 km) |
| Sigulda to Orange | 1,248.05 mi (2,008.55 km) |
| Sigulda to Orchies | 989.43 mi (1,592.34 km) |
| Sigulda to Orleans | 1,148.65 mi (1,848.57 km) |
| Sigulda to Orly | 1,093.52 mi (1,759.85 km) |
| Sigulda to Ormesson-sur-Marne | 1,086.60 mi (1,748.72 km) |
| Sigulda to Orsay | 1,102.69 mi (1,774.61 km) |
