| Holly Springs to Orbetello | 4,620.45 mi (7,435.89 km) |
| Holly Springs to Oria | 4,975.27 mi (8,006.92 km) |
| Holly Springs to Oristano | 4,581.27 mi (7,372.84 km) |
| Holly Springs to Orta Nova | 4,859.71 mi (7,820.95 km) |
| Holly Springs to Orte | 4,672.48 mi (7,519.63 km) |
| Holly Springs to Ortona | 4,765.97 mi (7,670.08 km) |
| Holly Springs to Orvieto | 4,651.66 mi (7,486.12 km) |
| Holly Springs to Orzinuovi | 4,470.88 mi (7,195.19 km) |
| Holly Springs to Osimo | 4,687.27 mi (7,543.44 km) |
| Holly Springs to Ospitaletto | 4,472.26 mi (7,197.41 km) |
| Holly Springs to Ostuni | 4,964.53 mi (7,989.64 km) |
| Holly Springs to Ottaviano | 4,821.12 mi (7,758.84 km) |
| Holly Springs to Ovada | 4,437.22 mi (7,141.02 km) |
| Holly Springs to Ozieri | 4,578.83 mi (7,368.91 km) |
| Holly Springs to Paceco | 4,831.64 mi (7,775.77 km) |
