| Horgen to Oswego (Illinois) | 4,470.78 mi (7,195.03 km) |
| Horgen to Oswego (New York) | 3,926.06 mi (6,318.38 km) |
| Horgen to Otsego (Minnesota) | 4,499.45 mi (7,241.17 km) |
| Horgen to Ottawa (Illinois) | 4,504.74 mi (7,249.68 km) |
| Horgen to Ottawa (Kansas) | 4,882.13 mi (7,857.02 km) |
| Horgen to Ottumwa (Iowa) | 4,657.20 mi (7,495.04 km) |
| Horgen to Overland (Missouri) | 4,689.60 mi (7,547.18 km) |
| Horgen to Overland Park (Kansas) | 4,846.19 mi (7,799.19 km) |
| Horgen to Overlea (Maryland) | 4,097.33 mi (6,594.02 km) |
| Horgen to Oviedo (Florida) | 4,783.94 mi (7,699.01 km) |
| Horgen to Owasso (Oklahoma) | 5,018.81 mi (8,077.00 km) |
| Horgen to Owatonna (Minnesota) | 4,541.00 mi (7,308.03 km) |
| Horgen to Owensboro (Kentucky) | 4,605.20 mi (7,411.35 km) |
| Horgen to Owings Mills (Maryland) | 4,106.80 mi (6,609.26 km) |
| Horgen to Owosso (Michigan) | 4,250.58 mi (6,840.64 km) |
