| Trieste to Orthez | 730.08 mi (1,174.95 km) |
| Trieste to Orvault | 739.88 mi (1,190.72 km) |
| Trieste to Osny | 595.68 mi (958.65 km) |
| Trieste to Ostwald | 348.14 mi (560.27 km) |
| Trieste to Ouistreham | 700.31 mi (1,127.04 km) |
| Trieste to Oullins | 432.40 mi (695.88 km) |
| Trieste to Outreau | 659.56 mi (1,061.47 km) |
| Trieste to Oyonnax | 391.87 mi (630.65 km) |
| Trieste to Ozoir-la-Ferriere | 562.90 mi (905.90 km) |
| Trieste to Pace | 752.44 mi (1,210.94 km) |
| Trieste to Palaiseau | 580.41 mi (934.08 km) |
| Trieste to Pamiers | 624.72 mi (1,005.39 km) |
| Trieste to Panazol | 600.33 mi (966.14 km) |
| Trieste to Pantin | 577.50 mi (929.40 km) |
| Trieste to Paray-le-Monial | 465.78 mi (749.60 km) |
