| Poiana Mare to Oswego (Illinois) | 5,156.73 mi (8,298.95 km) |
| Poiana Mare to Oswego (New York) | 4,631.84 mi (7,454.23 km) |
| Poiana Mare to Otsego (Minnesota) | 5,156.18 mi (8,298.07 km) |
| Poiana Mare to Ottawa (Illinois) | 5,190.59 mi (8,353.44 km) |
| Poiana Mare to Ottawa (Kansas) | 5,559.68 mi (8,947.44 km) |
| Poiana Mare to Ottumwa (Iowa) | 5,334.47 mi (8,584.99 km) |
| Poiana Mare to Overland (Missouri) | 5,380.47 mi (8,659.04 km) |
| Poiana Mare to Overland Park (Kansas) | 5,524.47 mi (8,890.77 km) |
| Poiana Mare to Overlea (Maryland) | 4,814.71 mi (7,748.53 km) |
| Poiana Mare to Oviedo (Florida) | 5,514.10 mi (8,874.08 km) |
| Poiana Mare to Owasso (Oklahoma) | 5,702.42 mi (9,177.16 km) |
| Poiana Mare to Owatonna (Minnesota) | 5,203.89 mi (8,374.85 km) |
| Poiana Mare to Owensboro (Kentucky) | 5,306.82 mi (8,540.51 km) |
| Poiana Mare to Owings Mills (Maryland) | 4,823.63 mi (7,762.89 km) |
| Poiana Mare to Owosso (Michigan) | 4,941.99 mi (7,953.37 km) |
