| Gharb to Oswego (Illinois) | 5,175.88 mi (8,329.78 km) |
| Gharb to Oswego (New York) | 4,599.80 mi (7,402.66 km) |
| Gharb to Otsego (Minnesota) | 5,242.77 mi (8,437.43 km) |
| Gharb to Ottawa (Illinois) | 5,209.62 mi (8,384.08 km) |
| Gharb to Ottawa (Kansas) | 5,595.76 mi (9,005.51 km) |
| Gharb to Ottumwa (Iowa) | 5,373.50 mi (8,647.81 km) |
| Gharb to Overland (Missouri) | 5,383.99 mi (8,664.70 km) |
| Gharb to Overland Park (Kansas) | 5,559.14 mi (8,946.57 km) |
| Gharb to Overlea (Maryland) | 4,737.48 mi (7,624.24 km) |
| Gharb to Oviedo (Florida) | 5,358.17 mi (8,623.14 km) |
| Gharb to Owasso (Oklahoma) | 5,721.88 mi (9,208.48 km) |
| Gharb to Owatonna (Minnesota) | 5,277.01 mi (8,492.52 km) |
| Gharb to Owensboro (Kentucky) | 5,279.64 mi (8,496.75 km) |
| Gharb to Owings Mills (Maryland) | 4,748.55 mi (7,642.05 km) |
| Gharb to Owosso (Michigan) | 4,948.95 mi (7,964.57 km) |
