| Cities | Distance |
|---|---|
| Trier to Oberriet | 215.22 mi (346.37 km) |
| Trier to Obersiggenthal | 174.00 mi (280.02 km) |
| Trier to Oberwil | 160.50 mi (258.30 km) |
| Trier to Oberwingert | 182.70 mi (294.02 km) |
| Trier to Oftringen | 178.39 mi (287.09 km) |
| Trier to Olten | 175.96 mi (283.18 km) |
| Trier to Onex | 248.16 mi (399.38 km) |
| Trier to Opfikon | 183.04 mi (294.58 km) |
| Trier to Ostermundigen | 197.45 mi (317.77 km) |
| Trier to Payerne | 203.58 mi (327.62 km) |
| Trier to Pfaffikon | 191.97 mi (308.95 km) |
| Trier to Plan-les-Ouates | 249.23 mi (401.09 km) |
| Trier to Pratteln | 162.14 mi (260.93 km) |
| Trier to Prilly | 222.72 mi (358.44 km) |
| Trier to Pully | 223.87 mi (360.28 km) |