| Lachen to Orthez | 531.94 mi (856.08 km) |
| Lachen to Orvault | 491.04 mi (790.26 km) |
| Lachen to Osny | 338.68 mi (545.05 km) |
| Lachen to Ostwald | 108.19 mi (174.12 km) |
| Lachen to Ouistreham | 443.18 mi (713.23 km) |
| Lachen to Oullins | 217.47 mi (349.99 km) |
| Lachen to Outreau | 409.08 mi (658.35 km) |
| Lachen to Oyonnax | 164.30 mi (264.41 km) |
| Lachen to Ozoir-la-Ferriere | 305.78 mi (492.11 km) |
| Lachen to Pace | 498.41 mi (802.11 km) |
| Lachen to Palaiseau | 323.30 mi (520.30 km) |
| Lachen to Pamiers | 450.67 mi (725.28 km) |
| Lachen to Panazol | 370.21 mi (595.79 km) |
| Lachen to Pantin | 320.42 mi (515.67 km) |
| Lachen to Paray-le-Monial | 229.28 mi (369.00 km) |
