| Holly Hill to Oberkirch | 4,697.29 mi (7,559.56 km) |
| Holly Hill to Obernburg am Main | 4,711.54 mi (7,582.49 km) |
| Holly Hill to Obernkirchen | 4,654.59 mi (7,490.83 km) |
| Holly Hill to Oberschleissheim | 4,853.52 mi (7,810.99 km) |
| Holly Hill to Oberstdorf | 4,819.74 mi (7,756.63 km) |
| Holly Hill to Obertraubling | 4,860.19 mi (7,821.72 km) |
| Holly Hill to Obertshausen | 4,693.34 mi (7,553.20 km) |
| Holly Hill to Oberursel | 4,679.48 mi (7,530.90 km) |
| Holly Hill to Ochsenfurt | 4,754.84 mi (7,652.17 km) |
| Holly Hill to Ochsenhausen | 4,788.73 mi (7,706.71 km) |
| Holly Hill to Ochtrup | 4,578.50 mi (7,368.39 km) |
| Holly Hill to Odenthal | 4,600.41 mi (7,403.64 km) |
| Holly Hill to Oelde | 4,625.28 mi (7,443.67 km) |
| Holly Hill to Oelsnitz | 4,822.50 mi (7,761.07 km) |
| Holly Hill to Oer-Erkenschwick | 4,592.88 mi (7,391.52 km) |
