| Celje to Oswego (Illinois) | 4,765.78 mi (7,669.79 km) |
| Celje to Oswego (New York) | 4,231.06 mi (6,809.23 km) |
| Celje to Otsego (Minnesota) | 4,779.84 mi (7,692.41 km) |
| Celje to Ottawa (Illinois) | 4,799.71 mi (7,724.39 km) |
| Celje to Ottawa (Kansas) | 5,173.18 mi (8,325.43 km) |
| Celje to Ottumwa (Iowa) | 4,947.95 mi (7,962.96 km) |
| Celje to Overland (Missouri) | 4,987.24 mi (8,026.19 km) |
| Celje to Overland Park (Kansas) | 5,137.58 mi (8,268.14 km) |
| Celje to Overlea (Maryland) | 4,408.66 mi (7,095.05 km) |
| Celje to Oviedo (Florida) | 5,102.69 mi (8,211.99 km) |
| Celje to Owasso (Oklahoma) | 5,312.98 mi (8,550.42 km) |
| Celje to Owatonna (Minnesota) | 4,824.48 mi (7,764.26 km) |
| Celje to Owensboro (Kentucky) | 4,908.31 mi (7,899.16 km) |
| Celje to Owings Mills (Maryland) | 4,417.83 mi (7,109.81 km) |
| Celje to Owosso (Michigan) | 4,548.24 mi (7,319.68 km) |
