| Cities | Distance |
|---|---|
| Trier to Oerlinghausen | 176.39 mi (283.86 km) |
| Trier to Oestrich-Winkel | 62.78 mi (101.04 km) |
| Trier to Offenburg | 106.57 mi (171.51 km) |
| Trier to Oftersheim | 91.08 mi (146.58 km) |
| Trier to Ohrdruf | 195.15 mi (314.06 km) |
| Trier to Ohringen | 133.96 mi (215.59 km) |
| Trier to Olbernhau | 302.39 mi (486.64 km) |
| Trier to Olching | 237.68 mi (382.51 km) |
| Trier to Oldenburg | 243.61 mi (392.06 km) |
| Trier to Oldenburg in Holstein | 361.87 mi (582.37 km) |
| Trier to Olfen | 139.25 mi (224.11 km) |
| Trier to Olpe | 101.66 mi (163.61 km) |
| Trier to Olsberg | 136.58 mi (219.81 km) |
| Trier to Oranienburg | 352.25 mi (566.89 km) |
| Trier to Ortenberg | 114.80 mi (184.75 km) |