| Hartsville to Oak Harbor (Washington) | 2,012.15 mi (3,238.25 km) |
| Hartsville to Oak Hills (Oregon) | 1,995.60 mi (3,211.61 km) |
| Hartsville to Oak Lawn (Illinois) | 377.52 mi (607.56 km) |
| Hartsville to Oak Park (California) | 1,836.73 mi (2,955.93 km) |
| Hartsville to Oak Park (Illinois) | 389.61 mi (627.01 km) |
| Hartsville to Oak Park (Michigan) | 448.53 mi (721.84 km) |
| Hartsville to Oak Ridge (Florida) | 612.80 mi (986.21 km) |
| Hartsville to Oak Ridge (New Jersey) | 704.82 mi (1,134.30 km) |
| Hartsville to Oak Ridge (Tennessee) | 108.03 mi (173.86 km) |
| Hartsville to Oakdale (California) | 1,903.65 mi (3,063.62 km) |
| Hartsville to Oakdale (Minnesota) | 692.14 mi (1,113.90 km) |
| Hartsville to Oakland (California) | 1,977.42 mi (3,182.34 km) |
| Hartsville to Oakland (New Jersey) | 717.09 mi (1,154.05 km) |
| Hartsville to Oakland Park (Florida) | 789.30 mi (1,270.26 km) |
| Hartsville to Oakleaf Plantation (Florida) | 497.08 mi (799.97 km) |
