| Holtsville to Oerlinghausen | 3,759.17 mi (6,049.80 km) |
| Holtsville to Oestrich-Winkel | 3,786.45 mi (6,093.70 km) |
| Holtsville to Offenburg | 3,827.26 mi (6,159.39 km) |
| Holtsville to Oftersheim | 3,828.10 mi (6,160.74 km) |
| Holtsville to Ohrdruf | 3,872.48 mi (6,232.15 km) |
| Holtsville to Ohringen | 3,870.49 mi (6,228.95 km) |
| Holtsville to Olbernhau | 3,979.74 mi (6,404.77 km) |
| Holtsville to Olching | 3,975.22 mi (6,397.50 km) |
| Holtsville to Oldenburg | 3,710.60 mi (5,971.64 km) |
| Holtsville to Oldenburg in Holstein | 3,781.22 mi (6,085.29 km) |
| Holtsville to Olfen | 3,715.24 mi (5,979.10 km) |
| Holtsville to Olpe | 3,751.80 mi (6,037.93 km) |
| Holtsville to Olsberg | 3,768.64 mi (6,065.04 km) |
| Holtsville to Oranienburg | 3,913.00 mi (6,297.36 km) |
| Holtsville to Ortenberg | 3,819.10 mi (6,146.25 km) |
