| Tralee to Oswego (Illinois) | 3,591.35 mi (5,779.71 km) |
| Tralee to Oswego (New York) | 3,042.59 mi (4,896.58 km) |
| Tralee to Otsego (Minnesota) | 3,634.11 mi (5,848.53 km) |
| Tralee to Ottawa (Illinois) | 3,625.29 mi (5,834.34 km) |
| Tralee to Ottawa (Kansas) | 4,005.30 mi (6,445.91 km) |
| Tralee to Ottumwa (Iowa) | 3,780.87 mi (6,084.73 km) |
| Tralee to Overland (Missouri) | 3,808.40 mi (6,129.03 km) |
| Tralee to Overland Park (Kansas) | 3,969.13 mi (6,387.70 km) |
| Tralee to Overlea (Maryland) | 3,215.66 mi (5,175.10 km) |
| Tralee to Oviedo (Florida) | 3,914.08 mi (6,299.10 km) |
| Tralee to Owasso (Oklahoma) | 4,139.54 mi (6,661.95 km) |
| Tralee to Owatonna (Minnesota) | 3,672.00 mi (5,909.51 km) |
| Tralee to Owensboro (Kentucky) | 3,721.94 mi (5,989.89 km) |
| Tralee to Owings Mills (Maryland) | 3,224.92 mi (5,190.01 km) |
| Tralee to Owosso (Michigan) | 3,369.59 mi (5,422.84 km) |
