| Youngsville to Oskaloosa (Iowa) | 774.40 mi (1,246.27 km) |
| Youngsville to Oswego (Illinois) | 826.16 mi (1,329.57 km) |
| Youngsville to Oswego (New York) | 1,255.57 mi (2,020.64 km) |
| Youngsville to Otsego (Minnesota) | 1,051.82 mi (1,692.73 km) |
| Youngsville to Ottawa (Illinois) | 797.84 mi (1,284.00 km) |
| Youngsville to Ottawa (Kansas) | 616.24 mi (991.74 km) |
| Youngsville to Ottumwa (Iowa) | 755.09 mi (1,215.20 km) |
| Youngsville to Overland (Missouri) | 601.39 mi (967.85 km) |
| Youngsville to Overland Park (Kansas) | 626.31 mi (1,007.95 km) |
| Youngsville to Overlea (Maryland) | 1,084.89 mi (1,745.96 km) |
| Youngsville to Oviedo (Florida) | 658.11 mi (1,059.13 km) |
| Youngsville to Owasso (Oklahoma) | 481.71 mi (775.23 km) |
| Youngsville to Owatonna (Minnesota) | 969.31 mi (1,559.96 km) |
| Youngsville to Owensboro (Kentucky) | 598.47 mi (963.15 km) |
| Youngsville to Owings Mills (Maryland) | 1,074.19 mi (1,728.74 km) |
