| Kilmarnock to Oswego (Illinois) | 3,700.36 mi (5,955.16 km) |
| Kilmarnock to Oswego (New York) | 3,180.75 mi (5,118.92 km) |
| Kilmarnock to Otsego (Minnesota) | 3,708.91 mi (5,968.91 km) |
| Kilmarnock to Ottawa (Illinois) | 3,734.23 mi (6,009.67 km) |
| Kilmarnock to Ottawa (Kansas) | 4,104.70 mi (6,605.88 km) |
| Kilmarnock to Ottumwa (Iowa) | 3,879.44 mi (6,243.35 km) |
| Kilmarnock to Overland (Missouri) | 3,924.09 mi (6,315.22 km) |
| Kilmarnock to Overland Park (Kansas) | 4,069.31 mi (6,548.92 km) |
| Kilmarnock to Overlea (Maryland) | 3,374.45 mi (5,430.66 km) |
| Kilmarnock to Oviedo (Florida) | 4,100.43 mi (6,599.00 km) |
| Kilmarnock to Owasso (Oklahoma) | 4,246.39 mi (6,833.90 km) |
| Kilmarnock to Owatonna (Minnesota) | 3,753.70 mi (6,041.00 km) |
| Kilmarnock to Owensboro (Kentucky) | 3,852.71 mi (6,200.33 km) |
| Kilmarnock to Owings Mills (Maryland) | 3,382.60 mi (5,443.76 km) |
| Kilmarnock to Owosso (Michigan) | 3,485.73 mi (5,609.74 km) |
