| Santo Tirso to Orthez | 419.68 mi (675.40 km) |
| Santo Tirso to Orvault | 531.43 mi (855.26 km) |
| Santo Tirso to Osny | 738.77 mi (1,188.93 km) |
| Santo Tirso to Ostwald | 932.46 mi (1,500.65 km) |
| Santo Tirso to Ouistreham | 677.75 mi (1,090.73 km) |
| Santo Tirso to Oullins | 729.53 mi (1,174.07 km) |
| Santo Tirso to Outreau | 806.03 mi (1,297.18 km) |
| Santo Tirso to Oyonnax | 780.65 mi (1,256.33 km) |
| Santo Tirso to Ozoir-la-Ferriere | 747.29 mi (1,202.65 km) |
| Santo Tirso to Pace | 573.60 mi (923.11 km) |
| Santo Tirso to Palaiseau | 729.29 mi (1,173.68 km) |
| Santo Tirso to Pamiers | 529.76 mi (852.57 km) |
| Santo Tirso to Panazol | 579.30 mi (932.29 km) |
| Santo Tirso to Pantin | 742.86 mi (1,195.51 km) |
| Santo Tirso to Paray-le-Monial | 718.35 mi (1,156.07 km) |
