| Viljandi to Orvault | 1,356.18 mi (2,182.56 km) |
| Viljandi to Osny | 1,148.09 mi (1,847.68 km) |
| Viljandi to Ostwald | 994.97 mi (1,601.25 km) |
| Viljandi to Ouistreham | 1,216.05 mi (1,957.05 km) |
| Viljandi to Oullins | 1,233.20 mi (1,984.65 km) |
| Viljandi to Outreau | 1,089.93 mi (1,754.07 km) |
| Viljandi to Oyonnax | 1,178.78 mi (1,897.06 km) |
| Viljandi to Ozoir-la-Ferriere | 1,141.12 mi (1,836.46 km) |
| Viljandi to Pace | 1,319.64 mi (2,123.75 km) |
| Viljandi to Palaiseau | 1,158.41 mi (1,864.28 km) |
| Viljandi to Pamiers | 1,471.42 mi (2,368.02 km) |
| Viljandi to Panazol | 1,332.98 mi (2,145.22 km) |
| Viljandi to Pantin | 1,144.58 mi (1,842.03 km) |
| Viljandi to Paray-le-Monial | 1,213.90 mi (1,953.59 km) |
| Viljandi to Parempuyre | 1,440.17 mi (2,317.73 km) |
