| Piotrkow Trybunalski to Oberkirch | 551.53 mi (887.61 km) |
| Piotrkow Trybunalski to Obernburg am Main | 474.07 mi (762.95 km) |
| Piotrkow Trybunalski to Obernkirchen | 454.65 mi (731.68 km) |
| Piotrkow Trybunalski to Oberschleissheim | 421.85 mi (678.91 km) |
| Piotrkow Trybunalski to Oberstdorf | 504.16 mi (811.37 km) |
| Piotrkow Trybunalski to Obertraubling | 372.42 mi (599.35 km) |
| Piotrkow Trybunalski to Obertshausen | 482.87 mi (777.10 km) |
| Piotrkow Trybunalski to Oberursel | 491.49 mi (790.97 km) |
| Piotrkow Trybunalski to Ochsenfurt | 439.01 mi (706.52 km) |
| Piotrkow Trybunalski to Ochsenhausen | 491.24 mi (790.58 km) |
| Piotrkow Trybunalski to Ochtrup | 535.98 mi (862.58 km) |
| Piotrkow Trybunalski to Odenthal | 543.79 mi (875.14 km) |
| Piotrkow Trybunalski to Oelde | 495.18 mi (796.92 km) |
| Piotrkow Trybunalski to Oelsnitz | 334.29 mi (537.99 km) |
| Piotrkow Trybunalski to Oer-Erkenschwick | 534.11 mi (859.57 km) |
