| Perry Hall to Oerlinghausen | 3,958.71 mi (6,370.93 km) |
| Perry Hall to Oestrich-Winkel | 3,987.89 mi (6,417.89 km) |
| Perry Hall to Offenburg | 4,029.86 mi (6,485.43 km) |
| Perry Hall to Oftersheim | 4,029.91 mi (6,485.51 km) |
| Perry Hall to Ohrdruf | 4,072.53 mi (6,554.11 km) |
| Perry Hall to Ohringen | 4,072.21 mi (6,553.58 km) |
| Perry Hall to Olbernhau | 4,179.21 mi (6,725.78 km) |
| Perry Hall to Olching | 4,177.24 mi (6,722.62 km) |
| Perry Hall to Oldenburg | 3,909.06 mi (6,291.02 km) |
| Perry Hall to Oldenburg in Holstein | 3,977.62 mi (6,401.36 km) |
| Perry Hall to Olfen | 3,915.34 mi (6,301.13 km) |
| Perry Hall to Olpe | 3,952.42 mi (6,360.81 km) |
| Perry Hall to Olsberg | 3,968.80 mi (6,387.17 km) |
| Perry Hall to Oranienburg | 4,110.42 mi (6,615.08 km) |
| Perry Hall to Ortenberg | 4,020.00 mi (6,469.57 km) |
