| Holly Springs to Oerlinghausen | 4,232.46 mi (6,811.49 km) |
| Holly Springs to Oestrich-Winkel | 4,257.62 mi (6,851.98 km) |
| Holly Springs to Offenburg | 4,296.44 mi (6,914.46 km) |
| Holly Springs to Oftersheim | 4,298.72 mi (6,918.13 km) |
| Holly Springs to Ohrdruf | 4,345.28 mi (6,993.05 km) |
| Holly Springs to Ohringen | 4,341.23 mi (6,986.53 km) |
| Holly Springs to Olbernhau | 4,453.04 mi (7,166.48 km) |
| Holly Springs to Olching | 4,445.44 mi (7,154.25 km) |
| Holly Springs to Oldenburg | 4,184.66 mi (6,734.56 km) |
| Holly Springs to Oldenburg in Holstein | 4,256.13 mi (6,849.57 km) |
| Holly Springs to Olfen | 4,188.04 mi (6,739.99 km) |
| Holly Springs to Olpe | 4,224.03 mi (6,797.92 km) |
| Holly Springs to Olsberg | 4,241.35 mi (6,825.80 km) |
| Holly Springs to Oranienburg | 4,387.55 mi (7,061.08 km) |
| Holly Springs to Ortenberg | 4,291.00 mi (6,905.69 km) |
