| Chambersburg to Oberkirch | 4,059.53 mi (6,533.18 km) |
| Chambersburg to Obernburg am Main | 4,061.98 mi (6,537.13 km) |
| Chambersburg to Obernkirchen | 3,988.11 mi (6,418.25 km) |
| Chambersburg to Oberschleissheim | 4,210.19 mi (6,775.65 km) |
| Chambersburg to Oberstdorf | 4,185.46 mi (6,735.85 km) |
| Chambersburg to Obertraubling | 4,210.50 mi (6,776.15 km) |
| Chambersburg to Obertshausen | 4,042.76 mi (6,506.19 km) |
| Chambersburg to Oberursel | 4,028.41 mi (6,483.10 km) |
| Chambersburg to Ochsenfurt | 4,104.77 mi (6,606.00 km) |
| Chambersburg to Ochsenhausen | 4,150.32 mi (6,679.29 km) |
| Chambersburg to Ochtrup | 3,915.65 mi (6,301.63 km) |
| Chambersburg to Odenthal | 3,946.05 mi (6,350.56 km) |
| Chambersburg to Oelde | 3,963.43 mi (6,378.53 km) |
| Chambersburg to Oelsnitz | 4,162.92 mi (6,699.58 km) |
| Chambersburg to Oer-Erkenschwick | 3,933.91 mi (6,331.02 km) |
